Between the Rio Grande and Nueces rivers.
The whole territory of Texas.
Texas Territory
You mean before the Mexican-American War? That was the Nueces Strip.
i heard it was mexicans crossing into our territory when we had our owwn boundaries. It is a little more complicated than that. America claimed the territory and so did Mexico. It was disputed. America sent troops to patrol the area, and so did Mexico. When the Mexican troops entered the disputed territory, America used it as a pretext to attack.
Texas Territory
1. Drive the Mexicans out of the disputed border. 2. Seize New Mexico and California 3. Seize Mexico City
The Midwest was part of the Louisiana Territory purchased from France. Mexico refused to sell the American Southwest, but the US forced them to sell after a three-year war. The Oregon Territory (Oregon and Washington State) were disputed and jointly administered by the US and Great Britain, but after negotiation the British and the US split Oregon Territory in approximately in half along the 49th parallel, most of the modern day border between the US and Canada.
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.
They sent troops into the disputed territory and when troops are in harms way the inevitable invariably happens. Men died and the casus belli existed for a Declaration of War by the US Congress.
deploying an army in a disputed border area. :P
After the Compromise of 1850 the United States acquired both the New Mexico Territory and Utah Territory as parts of its territory. The Mexico and the US border was also agreed on the south.
First, America annexed the Republic of Texas, after it had won its independence from Mexico. Then, after Mexico refused to sell what is now the southwest of the United Stages, America sent troops to disputed territory, prompting military retaliation from Mexico, causing the Mexican War. After forcing Mexico's surrender, the US then paid half of its original offer for the territories of New Mexico, Arizona, Utah, Colorado, Wyoming, Nevada, and California. Within a year, the California Gold Rush began.