Texas freed itself before it was annexed. The rest are New Mexico, Arizona, California, Nevada, Colorado, and Utah.
mexico
Mexico.
it was a result of a war between Spain and America
The US has never acquired Spain.
The present US States of California, Nevada, Utah, New Mexico and Arizona.
US bought it from Mexico.
Mexico Texas had been an independent country for nine years when it was annexed by the United States.
Spain
1848
In the Treaty of Guadalupe Hidalgo after the Mexican-American War in 1848.
The whole states of California, Nevada, Utah, Arizona, New Mexico and Texas, as well as parts of Wyoming, Colorado, Oklahoma and Kansas.
In 1898 from Spain.