Question

At the end of the Mexican-American War, the United States

Answer 1

The USA made "The 1848 Treaty of Guadalupe Hidalgo"

Answer 2

The 1848 Treaty of Guadalupe Hidalgo, forced onto the remnant Mexican government, ended the war and specified its major consequence, the Mexican Cession of the northern territories of Alta California and Santa Fe de Nuevo México to the United States