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Period: to
Westward Expansion
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Louisiana Purchase
Thomas Jefferson purchased the territory of louisiana. He payede 4 cents an acre and doubled the size of the U.S. -
British Cession
established the boundary between U.S. and Canadian territories at the 49th parallel. -
Adams-Onis
The treaty was named for John Quincy Adams of the United States and Louis de Onís of Spain and renounced any claim of the United States to Texas. It fixed the western boundary of the Louisiana Purchase as beginning at the mouth of the Sabine River and running along its south and west bank to the thirty-second parallel and thence directly north to the Río Rojo (Red River). -
Texas Annexation
It gave the U.S. the area of texas that we know today we anexxed it from mexico -
Mexican Cession
The treaty recognized Texas as a U.S. state, and ceded a large chunk of land — about half the area that belonged to the Mexican republic — to the United States for the cost of $15 million. The Mexican Cession included land that would later become California, Nevada, and Utah, as well as portions of Arizona, New Mexico, Colorado, and Wyoming. -
Oregon Territory
On August 14, 1848, Congress passed the Act to Establish the Territorial Government of Oregon, which created what was officially the Territory of Oregon.[8] The Territory of Oregon originally encompassed all of the present-day states of Idaho, Oregon and Washington, as well as those parts of present day Montana and Wyoming west of the Continental Divide.[8] It extended from the 42nd parallel north (the boundary of the Adams-Onis Treaty of 1819), in the south to the 49th parallel. Oregon City, O -
Gadsden Purchase
was an agreement between the United States and Mexico, finalized in 1854, in which the United States agreed to pay Mexico $10 million for a 29,670 square mile portion of Mexico that later became part of Arizona and New Mexico
