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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 dollars. *The purchase doubles the size of our country at that time.
Lewis and Clark Expedition Meriwether Lewis 1774-1809 William Clark 1770-1838 40 people went on trip
As the men make their way to the Pacific, Jefferson wants the men to gather information on: • Flow of rivers • Natural resources and possible economic development • Climate • Plant growth • Geology • Contact with Indians • Animals
Sacajawea • Husband – TouissantCharonneau • Insists on bringing wife and child • Tribe – Shoshone • Name – Bird woman
Journal Entry Plants Animals People Weather Landscape Structures
March 2nd, 1836: Texas declares it’s independence from Mexico. March 6th, 1836: The Alamo Falls 1836 – 1845 Texas becomes a country (the Republic of Texas) December 29th, 1845 Texas becomes a state Texas Independence
Oregon Country • In 1846 the U. S. makes an agreement with Great Britain to get the Oregon Country • President Polk • “54 40 or fight”
The Mexican War1846 - 1847 • War begins due to a disagreement of the Texas southern border which the U. S. said was the Rio Grande River. • Major General Winfield Scott captures Mexico City ending the war. • Under the Treaty of Guadalupe-Hidalgo which ends the war, 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. • This land provided a route for a southern transcontinental railroad.