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Louisiana Purchase
The Louisiana Purchase was a land deal between the United States and France, in which the U.S. acquired approximately 827,000 square miles of land west of the Mississippi River for $15 million.
Thomas Jefferson was the president who made this deal with France. He sent Lewis and Clark to explore this new land to the west to establish trade with the Native tribes. -
East Florida
The Adams-Onis Treaty was the treaty that made Spain cede Florida to the US. -
Webster Ashburton Treaty
The Webster Ashburton Treaty, was a treaty resolving border issues between the United States and the British colonies. -
Texas Annexation
The incorporation of the Republic of Texas into the United States of America, which was admitted to the Union as the 28th state.
"Remember the Alamo"- refers to the battle of the Alamo in the Texas revolution. -
Oregon Territory
The Oregon boundary dispute between the U.S. and Britain was settled with the signing of the Oregon Treaty.
Fifty-Four Forty or Fight- refers to the Oregon boundary dispute -
Mexican Cession
Mexican-American War, war between the United States and Mexico (April 1846–February 1848) stemming from the United States’ annexation of Texas in 1845 and from a dispute over whether Texas ended at the Nueces River (Mexican claim) or the Rio Grande (U.S. claim).
The region of the modern day southwestern United States that Mexico ceded to the U.S. in the Treaty of Guadalupe Hidalgo in 1848. -
Gadsden Purchase
Is a region of present-day southern Arizona and southwestern New Mexico that the United States purchased by a treaty signed on December 30, 1853 by James Gadsden, American ambassador to Mexico at that time.
Manifest Destiny-the 19th-century belief that the expansion of the US throughout the American continents was both justified and inevitable.