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[
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    "op": "add",
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      "periods": {
        "https://client.perio.do/.well-known/genid/02c90b0860d0835ac0dd2b1b0511af75": {
          "editorialNote": "intuiting \"present\" as the end date because it is implied by the entry, which leads up to 2001 in a book published in 2001.",
          "id": "https://client.perio.do/.well-known/genid/02c90b0860d0835ac0dd2b1b0511af75",
          "label": "Post-Cold War Era",
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            "locator": "page 613"
          },
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              "label": "United States of America"
            }
          ],
          "spatialCoverageDescription": "United States",
          "start": {
            "in": {
              "earliestYear": "1987",
              "latestYear": "1991"
            },
            "label": "late 1980s and early 1990s"
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        "https://client.perio.do/.well-known/genid/0726d4f8f69a9662b55abf77867822ba": {
          "editorialNote": "See the other Colonial Period for a more Anglo-centric definition",
          "id": "https://client.perio.do/.well-known/genid/0726d4f8f69a9662b55abf77867822ba",
          "label": "Colonial Era of the United States",
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          "languageTag": "en",
          "localizedLabels": {
            "en": [
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          },
          "note": "from a Spanish standpoint, for example, the era might date from 1565, the year St. Augustine was founded, to 1821, when the future American Southwest won its independence from Spain as part of Mexico.",
          "source": {
            "locator": "page 143"
          },
          "spatialCoverageDescription": "United States",
          "start": {
            "in": {
              "year": "1565"
            },
            "label": "1565"
          },
          "stop": {
            "in": {
              "year": "1821"
            },
            "label": "1821"
          },
          "type": "Period"
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        "https://client.perio.do/.well-known/genid/23845d83cc5284f0747bc9f8a704ece4": {
          "id": "https://client.perio.do/.well-known/genid/23845d83cc5284f0747bc9f8a704ece4",
          "label": "Antebellum Era",
          "language": "http://lexvo.org/id/iso639-1/en",
          "languageTag": "en",
          "localizedLabels": {
            "en": [
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            ]
          },
          "note": "Every period of American history, unfortunately, could be considered \"antebellum.\" A war has seemed to await the end of each era, defining in retrospect what came before. Yet in all U.S. history only the decades between 1815 and 1861 take their defining identity from the war that followed.",
          "source": {
            "locator": "page 37"
          },
          "spatialCoverage": [
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              "label": "United States of America"
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          ],
          "spatialCoverageDescription": "United States",
          "start": {
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              "year": "1815"
            },
            "label": "1815"
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            "label": "1861"
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        "https://client.perio.do/.well-known/genid/2fb2c4e03356819ab07d88e5a1837703": {
          "editorialNote": "See also the other period called the Great Awakening (1739–1742)",
          "id": "https://client.perio.do/.well-known/genid/2fb2c4e03356819ab07d88e5a1837703",
          "label": "Great Awakening",
          "language": "http://lexvo.org/id/iso639-1/en",
          "languageTag": "en",
          "localizedLabels": {
            "en": [
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          },
          "note": "at other times [The Great Awakening] refers to the more general evangelical movement with Protestantism, from about 1720 until 1750, sometimes including the spread of evangelicism into the South from the 1750s through the 1770s.",
          "source": {
            "locator": "page 319"
          },
          "spatialCoverageDescription": "United States",
          "start": {
            "in": {
              "year": "1720"
            },
            "label": "about 1720"
          },
          "stop": {
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              "earliestYear": "1750",
              "latestYear": "1779"
            },
            "label": "1750 ... through the 1770s"
          },
          "type": "Period"
        },
        "https://client.perio.do/.well-known/genid/312c9c80b03c5c440c00d91f40feb073": {
          "editorialNote": "This entry explicitly states start and stop dates in its heading. The period extends from the convening of the First Congress and presidency of George Washington in 1789 to the election of Andrew Jackson in 1828.",
          "id": "https://client.perio.do/.well-known/genid/312c9c80b03c5c440c00d91f40feb073",
          "label": "Era of the Early Republic",
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          "source": {
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          ],
          "spatialCoverageDescription": "United States",
          "start": {
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            "label": "1789"
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              "year": "1828"
            },
            "label": "1828"
          },
          "type": "Period"
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        "https://client.perio.do/.well-known/genid/4a324049efd4187c1d044c521947b7bd": {
          "id": "https://client.perio.do/.well-known/genid/4a324049efd4187c1d044c521947b7bd",
          "label": "Era of Exploration, Conquest, and Settlement",
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          "languageTag": "en",
          "localizedLabels": {
            "en": [
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          },
          "note": "From 1487 to 1497, explorers sailing for the Portuguese, Castilian (Spanish), and English crowns opened three routes to “the Indies,” soon learning that two led not to Asia, but to the Americas. ... By 1700, many colonial regions of North America had reached the last stage of imperial colonization. European societies had been transplanted, along with their values, biases, and worldviews. Beginning with King William's War (1689), Spanish, French, and English colonists and their Native allies found themselves parties in repeated wars as European nations contested for dominance in North America.",
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            "locator": "page 235"
          },
          "spatialCoverageDescription": "the Americas",
          "start": {
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              "year": "1487"
            },
            "label": "1487"
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              "year": "1700"
            },
            "label": "1700"
          },
          "type": "Period"
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        "https://client.perio.do/.well-known/genid/53617a39f7505db4517f5d1c4eeffe8b": {
          "broader": "https://client.perio.do/.well-known/genid/5f8a0b93fe88c943db2a8ec6c33c1e38",
          "editorialNote": "This period is bookmarked by two events: the ratification of the Articles of Confederation by Maryland in 1781, to the Constitutional Convention of 1787.",
          "id": "https://client.perio.do/.well-known/genid/53617a39f7505db4517f5d1c4eeffe8b",
          "label": "Confederation Era",
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        "https://client.perio.do/.well-known/genid/5f8a0b93fe88c943db2a8ec6c33c1e38": {
          "editorialNote": "The spatial coverage here is a bit misleading. Perhaps I should add the thirteen colonies as well.",
          "id": "https://client.perio.do/.well-known/genid/5f8a0b93fe88c943db2a8ec6c33c1e38",
          "label": "Era of Revolution and Constitution",
          "language": "http://lexvo.org/id/iso639-1/en",
          "languageTag": "en",
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          ],
          "spatialCoverageDescription": "colonial America",
          "start": {
            "in": {
              "year": "1765"
            },
            "label": "1765"
          },
          "stop": {
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              "year": "1787"
            },
            "label": "1787"
          },
          "type": "Period"
        },
        "https://client.perio.do/.well-known/genid/643a71434003287ca2f6597945cf90ee": {
          "editorialNote": "Choosing 1920 as the end year (\"defeated politically\") rather than \"until World War II\" (\"persisted in identifiable ways\") because the latter refers to \"Progressivism\" more broadly, rather than a \"Progressive Era\", in which \"progressive\" politics flourished.",
          "id": "https://client.perio.do/.well-known/genid/643a71434003287ca2f6597945cf90ee",
          "label": "Progressive Era",
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          "languageTag": "en",
          "localizedLabels": {
            "en": [
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          },
          "note": "Viewed chronologically, the “Progressive Era” normally covers three discrete time periods. Toward the end of the 1880s, a significant number of women and their male allies came to the conclusion that Social Darwinism, the reigning ideology that had justified economic expansion since the Civil War, was inhumane in its effects and unchristian in its implications. Seeking more meaningful vocational choices than those the order of the day supplied, they pioneered such new professions as social work, or reinvented such older ones as teaching and journalism to make them more ethically meaningful.\n\n...\n\nDefeated politically in 1920, Progressivism persisted in identifiable ways at least until World War II. It helped shape both sides of the interior foreign policy debates, as Progressive internationalists fought isolationists. Some Progressive moralists resisted the secular and nationalizing tendencies of the New Deal, while others adapted with little trouble. In time, the Progressive image became increasingly tarnished. National prohibition, adopted by the Eighteenth Amendment in 1919, seemed a fiasco, the effort to remoralize drinking habits eventually leading to more drink and much more crime. ",
          "source": {
            "locator": "pages 623-624"
          },
          "spatialCoverage": [
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              "id": "http://www.wikidata.org/entity/Q30",
              "label": "United States of America"
            }
          ],
          "spatialCoverageDescription": "United States",
          "start": {
            "in": {
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              "latestYear": "1889"
            },
            "label": "towards the end of the 1880s"
          },
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            },
            "label": "1920"
          },
          "type": "Period"
        },
        "https://client.perio.do/.well-known/genid/6af3f2b9bbf00f6a00a9d9570bb13dd8": {
          "id": "https://client.perio.do/.well-known/genid/6af3f2b9bbf00f6a00a9d9570bb13dd8",
          "label": "Populist Era",
          "language": "http://lexvo.org/id/iso639-1/en",
          "languageTag": "en",
          "localizedLabels": {
            "en": [
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          },
          "note": "No historical period conforms precisely to a specific span of years, and the Populist Era is no exception. The events of the 1890s—the time period known as the Populist Era—reflected social and economic pressures, and reactions to those pressures, that had been building for decades.",
          "source": {
            "locator": "page 610"
          },
          "spatialCoverage": [
            {
              "id": "http://www.wikidata.org/entity/Q30",
              "label": "United States of America"
            }
          ],
          "spatialCoverageDescription": "United States",
          "start": {
            "in": {
              "year": "1890"
            },
            "label": "1890s"
          },
          "stop": {
            "in": {
              "year": "1899"
            },
            "label": "1890s"
          },
          "type": "Period"
        },
        "https://client.perio.do/.well-known/genid/6fa333c23aa7027f63897d85545e059e": {
          "editorialNote": "See the other Colonial Period for an alternate definition",
          "id": "https://client.perio.do/.well-known/genid/6fa333c23aa7027f63897d85545e059e",
          "label": "Colonial Era of the United States",
          "language": "http://lexvo.org/id/iso639-1/en",
          "languageTag": "en",
          "localizedLabels": {
            "en": [
              "Colonial Era of the United States"
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          },
          "note": "Perceptions of the “Colonial Era of the United States” are often Anglo-centric and teleological. The most usual periodization—from 1607 to either 1763 or 1775—enshrines an English (after 1707, British) frame of reference: the first permanent settlement at Jamestown, the Proclamation of 1763 securing British hegemony over eastern North America, and the outbreak of the Revolutionary War. This perspective is defensible, since the polities that coalesced into the United States had all been provinces of the British empire, but it understates the roles other European nations played",
          "source": {
            "locator": "page 143"
          },
          "spatialCoverageDescription": "United States",
          "start": {
            "in": {
              "year": "1607"
            },
            "label": "1607"
          },
          "stop": {
            "in": {
              "earliestYear": "1773",
              "latestYear": "1775"
            },
            "label": "1773 or 1775"
          },
          "type": "Period"
        },
        "https://client.perio.do/.well-known/genid/75392c4ac9b7a8a646feb196a6d0fc9e": {
          "broader": "https://client.perio.do/.well-known/genid/4a324049efd4187c1d044c521947b7bd",
          "id": "https://client.perio.do/.well-known/genid/75392c4ac9b7a8a646feb196a6d0fc9e",
          "label": "English Colonization II",
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          },
          "note": "The English Civil War interrupted colonization, but the restoration of the monarchy in 1660 spawned expansionist projects by aristocrats jockeying for power.",
          "source": {
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          },
          "spatialCoverageDescription": "Carolinas, New Netherlands, Pennsylvania",
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          "broader": "https://client.perio.do/.well-known/genid/4a324049efd4187c1d044c521947b7bd",
          "id": "https://client.perio.do/.well-known/genid/a0ba5ac60e6b9c018154f1c56d86bbeb",
          "label": "English Colonization I",
          "language": "http://lexvo.org/id/iso639-1/en",
          "languageTag": "en",
          "localizedLabels": {
            "en": [
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          },
          "note": "English colonization falls into two distinct chronological phases: 1607–1640 and 1660–1681.",
          "source": {
            "locator": "page 237"
          },
          "spatialCoverageDescription": "New England, Virginia, Maryland, Caribbean, the Carolinas",
          "start": {
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              "year": "1607"
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            "label": "1607"
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          "stop": {
            "in": {
              "year": "1640"
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            "label": "1640"
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        "https://client.perio.do/.well-known/genid/a561f19f61a09ac584268fef2ad4a766": {
          "id": "https://client.perio.do/.well-known/genid/a561f19f61a09ac584268fef2ad4a766",
          "label": "Great Awakening",
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          "languageTag": "en",
          "localizedLabels": {
            "en": [
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          },
          "note": "The term \"Great Awakening\" usually refers to the revivals in New England and the Middle Colonies associated with the first American preaching tour of George Whitefield, 1739–1742",
          "source": {
            "locator": "page 319"
          },
          "spatialCoverage": [],
          "spatialCoverageDescription": "New England and Middle Colonies",
          "start": {
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            },
            "label": "1739"
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            "label": "1742"
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