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A timeline about US Expansion
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The Louisiana Purchase of land from France extends US lands from the Mississippi River to the Rocky Mountains between the Canadian border and the Gulf of Mexico
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The Lewis and Clark Expedition explores and map the US lands bought in the 1803 Louisiana Purchase
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The Florida Treaty, the Adams Onis Treaty, set the boundary between the US and New Spain (now Mexico)
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The 900 mile trade route, the Santa Fe Trail, opens from Independence, Missouri, to Santa Fe (now New Mexico).
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The 1830 Indian Removal Act led to the forced migration of approximately 60,000 Native Americans
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The first important migration of settlers traveled in Wagon Trains along the 2000 mile Oregon Trail
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Brigham Young leads 5,000 Mormons to Utah after experiencing religious persecution
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The Mexican American War begins, also known as the Invasion of Mexico
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The Treaty of Guadalupe Hidalgo by which Mexico ceded upper California and New Mexico to the United States that covered 525,00 square miles for a payment of $15,000,000
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The Transcontinental Railroad was completed joining the eastern and western parts of the United States
