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Westward Expansion 1800 - 1850. Unit 1. Manifest Destiny. The belief that the United States has a divine right to expand its territory. *John L. O’Sullivan coined the phrase. Thomas Jefferson. 3 rd President of the United States (1800 – 1808)
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Manifest Destiny The belief that the United States has a divine right to expand its territory. *John L. O’Sullivan coined the phrase
Thomas Jefferson • 3rd President of the United States (1800 – 1808) • Political philosopher, horticulturist, architect, inventor and much more • Louisiana Purchase (1803) • Lewis and Clark Expedition (1804-1806)
The Louisiana Purchase 1803 • James Monroe and Robert Livingston buy the land for about 15 million. 3 cents an acre! The purchase doubles the size of our country
Lewis and Clark Expedition Meriwether Lewis 1774-1809 William Clark 1770-1838 40 people went on trip
Sacajawea • Husband – TouissantCharonneau • Insists on bringing wife and child • Tribe – Shoshone • Name – Bird woman
1836 -Texas declares its independence from Mexico. 1836 – 1845 Texas becomes a country (the Republic of Texas) 1845 Texas becomes a state Texas Independence
Florida • March 3rd 1845 Florida becomes a state
Oregon Country • In 1846 the U. S. makes an agreement with Great Britain to get the Oregon Country
The Mexican War1846 - 1847 • disagreement of the Texas southern border, the Rio Grande River. • Major General Winfield Scott captures Mexico City ending the war. • The Treaty of Guadalupe-Hidalgo ends the war and the U. S. gets the Mexican Cession.
The Gadsden Purchase • The U. S. paid Mexico 10 million dollars for a strip of land south of the Gila River in Arizona and New Mexico. • route for a southern transcontinental railroad.