Question

How did the United States acquire the territory that became the states of Arizona, California, Colorado, New Mexico, Texas and Utah?
They were ceded by Mexico following the Mexican-American War.
They were bought from France as part of the Louisiana Purchase.
They were bought from Spain thorough the Adams-Onis Treaty.
They were ceded by Great Britain following the War of 1812.

Answer 1

They were ceded by Mexico following the Mexican-American war