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The biggest land deal.
It was the Louisiana Purchase. Thomas Jefferson bought the land for four cents an acre. The final price was 15 million dollars -
Florida Purchase Treaty
The U.S. bought Spain in 1819. The president was Andrew Jackson during the time -
Texas Annexation
James K. Polk was the president at the time of the annexation. This was establish after the Mexican-American War. -
Mexican Cession
The treaty that gave the U.S. ownership of the territory is the Treaty of Guadalupe-Hidalgo. The cost was 15 million. -
Oregon Territory
The British owned the land at first. The U.S. and the British did an agreement about dividing it in half which would be modern day Oregon, Washington, Idaho, Montana, and Wyoming. -
Gadsden Purchase
United States agreed to pay 10 million for 29,670 square miles to Mexico for the Gadsden territory. This help resolve the problem of the Mexican border and the United States border.