USA HISTORY

Detailed explanation-1: -The Gadsden Purchase, or Treaty, was an agreement between the United States and Mexico, finalized in 1854, in which the United States agreed to pay Mexico $10 million for a 29, 670 square mile portion of Mexico that later became part of Arizona and New Mexico.

Detailed explanation-2: -The treaty provided for a joint commission, made up of a surveyor and commissioner from each country, to determine the final boundary between the United States and Mexico. The treaty specified that the Rio Grande Boundary would veer west eight miles (13 km) north of El Paso.

Detailed explanation-3: -The purpose of this purchase by the U.S. government was largely to extend a southern railroad from the Atlantic to the Pacific Ocean. At the time the area of the purchase was thought to have the best route for a transcontinental railroad. The purchase added the Mesilla Valley to the United States.

Detailed explanation-4: -On December 30, 1853, a treaty was signed where Mexico sold the United States 29, 000 square miles of territory in the area that would eventually become southern Arizona and New Mexico.

Detailed explanation-5: -The Gadsden Purchase is a roughly 30, 000 square-mile region of present-day southern Arizona and southwestern New Mexico that was acquired by the United States in a treaty signed by American ambassador to Mexico James Gadsden on December 30, 1853.