partly, not really most of it was gained through the Mexican war
and the remainder was "bought" through the Gadsden purchase for 10 million dollars
The U.S.A..Before Texas won its freedom America tried to by from Mexico but Mexico wouldn't sell.
President Polk offered to buy New Mexico and California from Mexico.
James K. Polk
California
California
James k. Polk
i don not know where you can buy Turkish delights in New Mexico but you can order on etsy.com when you search by tag Turkish delight.
Albuquerque, New Mexico
The limit does not exist.
they did take land from mexico, but not canada. they tried and tried and tried again, but never succeeded.
Gadsden Purchase (1853)
They tried to buy the land as soon as Mexico became independent from Spain. Mexico however, refused. Only by the means of war could the U.S. acquire such territories.