With the cession of California to the United States following the Mexican-American War, the 1848 Treaty of Guadalupe Hidalgo provided that the land grants would be honored.
Failed amendments to the Wilmot Proviso by William W. Wick and then Stephen Douglas extending the Missouri Compromise line (36°30' parallel north) west to the Pacific, allowing slavery in most of present day New Mexico and Arizona, Las Vegas, Nevada, and Southern California, as well as any other territories that might be acquired from Mexico.
Mexican people | Mexican-American War | Mexican League | Mexican Revolution | Mexican Navy | Mexican–American War | Mexican War of Independence | Mexican Federal Highway | Mexican Army | Mexican War | Mexican Federal Highway 1 | Mexican art | Mexican American | Mexican League (baseball) | Mexican cuisine | Second Mexican Empire | Mexican peso | Mexican general election, 2006 | Chipotle Mexican Grill | Celebration of Mexican political anniversaries in 2010 | Mexican Communist Party | LXI Legislature of the Mexican Congress | Golden Age of Mexican cinema | Mexican muralism | Mexican handcrafts and folk art | LX Legislature of the Mexican Congress | New Mexican Disaster Squad | Mexican Riviera | Mexican jumping bean | Mexican free-tailed bat |
:The Treaty of Guadalupe Hidalgo specified the major consequence of the war: the forced Mexican Cession of the territories of Alta California and New Mexico to the U.S. in exchange for $18 million.