USA HISTORY

Detailed explanation-1: -The Treaty of Guadalupe Hidalgo, which brought an official end to the Mexican-American War (1846-48), was signed on February 2, 1848, at Guadalupe Hidalgo, a city to which the Mexican government had fled with the advance of U.S. forces.

Detailed explanation-2: -Additional Background Information. With the defeat of its army and the fall of the capital, Mexico City, in September 1847 the Mexican government surrendered to the United States and entered into negotiations to end the war.

Detailed explanation-3: -Under the Treaty of Guadalupe Hidalgo, which settled the Mexican-American War, the United States gained more than 500, 000 square miles (1, 300, 000 square km) of land, expanding U.S. territory by about one-third.

Detailed explanation-4: -The immediate cause of the Mexican-American War was a disputed boundary between the United States and Texas on the Nueces Strip. Mexico did not recognize Texas as legitimate American territory and Texas admission to the United States antagonized Mexican officials and citizens.