1803
Thomas Jefferson approved purchase of $15 million
From Spain
from France
Adams-Onis Treaty 1819
US annexes from Texas/Mexico
President Polk
Land acquired by Mexico in 1848 (CANCUN)
Land won by the US in the Mexican-American War
Treaty with Great Britain
Purchased from Mexico in 1853
land acquired to make traveling west easier
acquired by President Polk in 1845
"54' 40' or fight" US gains this territory in 1846