Question

what was signed on February 2nd 1848 by the u.s and Mexico in which Mexico agreed to the Rio grande border for texas and ceded New Mexico and California to the u.s

Answer 1

The Treaty of Guadalupe Hidalgo

Answer 2

The Treaty of Guadalupe Hidalgo ended the U.S.-Mexican War. Signed on 2 February 1848, it is the oldest treaty still in force between the ... basic form it called for the cession of Alta and Baja California and New Mexico, the right of transit across the Tehuantepec isthmus, and the Rio Grande as the southern border of Texas.