Spain gave up Florida to the U.S. and the U.S./Mexico border was set so that Texas and the American Southwest would be part of Mexico. What was the result of Spain giving up Florida to the U.S. and the setting of the U.S./Mexico border?
1) Texas and the American Southwest became part of Mexico
2) Texas and the American Southwest became part of the U.S.
3) Florida became part of Mexico
4) Florida became part of the U.S.
