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United States

Subcategories

Civil War Era18 Founding Early Republic23 Industrialization18 Modern Era33 Territorial Expansion20

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Northwest Territory and the Northwest Ordinance (1787–1803)

1784 - 1803

Northwest Ordinance and the Settlement of the Northwest Territory (1784–1803)

1784 - 1803

Northwest Indian War and Treaty Settlements (1785–1795)

1785 - 1795

Northern Home Front: Mobilization, Industry, and Civilian Life (1861–1865)

1861 - 1865

North American Free Trade Agreement: Negotiation to Implementation (1990–1994)

1990 - 1994

Naval Technology and Ironclads, including Hampton Roads (1861–1865)

1861 - 1975

Mixtape Culture, DJs, and the Underground-to-Mainstream Pipeline (1998–2008)

1998 - 2008

Mexican–American War and the Mexican Cession (1846–1848)

1846 - 1848

Medical Care, Hospitals, and Sanitation in the Civil War (1861–1865)

1861 - 1865

Mechanization of Agriculture and the Farm Machinery Industry (1830–1920)

1834 - 1918

McCarthyism and the Second Red Scare (1947–1957)

1947 - 1957

Major Industrial Labor Conflicts and Strikes (1877–1937)

1877 - 1937

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