The
Treaty of Guadalupe Hidalgo was the
treaty that ended the
Mexican War. In the treaty,
Mexico gave up a huge tract of land (known as the Mexican Cession) that included
Texas,
California and most of
Arizona and
New Mexico to the
United States for a sum of $15 million. The treaty was signed on
February 2,
1848 and ratified by the
United States Senate on
March 10 and by Mexico on
May 19,
1848.