You mean before the Mexican-American War? That was the Nueces Strip.
It was known as the Gadsden Purchase (1853), and it included present-day New Mexico and Arizona, south of the Gila River.
The Gadsden Purchase of 1853, named for ambassador James Gadsden, was for a strip of Mexican land which the US bought in order to build a transcontinental railroad through it and to settle some of the border issues between the US and Mexico.
No, Mexico is about 1/4 the area of the USA
when did the US close the border beween Mexico and the US
Mexico City.
The Ellipse
Mexico
What did zimmermann propose that Mexico do if war between Germany and the us
The US is located on the continent North America.(between Canada and Mexico).
The area between the Rio Grande and the Neuces Rivers. The US wanted to purchase Alta California and Nuevo Mexico, but Mexico would not negotiate.
Was called the Mexican American War. It happened between the Texas War of Independence and the US Civil War.