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Treaty of Paris
The Treaty of Paris ended the American Revolutionary War between Great Britain and the United States of America. -
Period: to
Manifest Destiny
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1803 Louisiana Purchase
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1819 Adams-Onis Treaty (Transcontinental Treaty)
The United States purchased Florida from Spain for 5 million dollars. -
Indian Removal Act
Affected tribes included the Cherokee, Chickasaw, Choctaw, Creek, and Seminole .In 1838 -1839, as part of Andrew Jackson's Indian removal policy, the Cherokee nation was forced to give up its lands east of the Mississippi River and to migrate to an area in present-day Oklahoma. The Cherokee people called this journey the "Trail of Tears," because of its devastating effects. The migrants faced hunger, disease, and exhaustion on the forced march. Over 4,000 out of 15,000 of the Cherokees died. -
Texas declares its independence from Mexico
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1845 Annexation of Texas
Texas becomes the 28th State of the Union -
1846 Britain cedes Oregon to the United States
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Discovery of Gold in California
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1848 Treaty of Guadalupe Hidalgo (Mexican cession)
The Treaty of Guadalupe Hidalgo, which brought an official end to the Mexican-American War (1846-1848) was signed on February 2, 1848, at Guadalupe Hidalgo. The United States paid Mexico 15 million dollars to change the Mexican-American boundaries. -
Gadsden Purchase
a 29,670-square-mile (76,800 km2) region of present-day southern Arizona and southwestern New Mexico that was purchased by the United States in a treaty signed by James Gadsden, the American ambassador to Mexico at the time, on December 30, 1853. -
Transcontinental Railway complete
