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Period: to
Westward Expansion
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Louisiana Purchase
Jefferson bought it from the French and it doubled the size of the United States -
British Cession
Established boundries between the US and Canada. The northern tip of the Louisiana Territory was lost to Canada. -
Adams-Onis Treaty
The United States agreed that Texas was on the Spanish side of the line, and Spain agreed to give up its claim to the Northwest Territory and Spain gave East and West Florida to the United States -
Mexican Cession
After the Mexican American War the US bought territories of Texas, California, Nevada and Utah and pieces of New Mexico, Wyoming, Arizona and Colorado. -
Oregon Territory
The US got the Oregon Territory, an area that includes what is today Oregon, Idaho, Washington, and western Montana. British retained full control of Vancouver Island. -
Gadsden Purchase
Bought for 10 million dollars from the US and it became part of Arizona and New Mexico.
