On September 13, the President of Mexico, the Cabinet, and Diplomatic

On September 13, the president of Mexico, the cabinet, and diplomatic corps assemble to recall "despojo territorial." What is its significance?

A) U.S. troops claimed 890,000 square miles of land that became Arizona, California, New Mexico, and Texas.
B) U.S. border officials allowed the peaceful crossing of Mexican citizens into the United States.
C) Trade barriers were lifted between Mexico and the U.S.
D) U.S. and Mexican soldiers defeated the Chinese attempt to take over this land.
E) Mexico joined forces with Europe to defeat the U.S. attempt to purchase Louisiana.