1848.
The war was fought with Mexico who had been ceded this territory by Spain.
North Carolina
Yes, the gulf of mexico is a part of the southwest region
It had to, after losing the Mexican-American War (1846-1848).
the answer is Mexico
Mexico.
Mexico
Arizona, California, Nevada, Utah and New Mexico.
The Oregon Country was explored and claimed by various nations in the early 19th century, while Texas declared independence from Mexico in 1836 and became a Republic. The land ceded by Mexico to the United States came after the Mexican-American War, formalized in the Treaty of Guadalupe Hidalgo in 1848. Therefore, the Oregon Country was claimed first, followed by Texas, and then the land ceded by Mexico.
Texas borders just one country (besides the US), that's Mexico to the southwest.
California and New Mexico.
The issue of slavery in the territory ceded by Mexico was decided by the Compromise of 1850, which allowed residents to determine whether to allow slavery through popular sovereignty. This meant that the territories of New Mexico and California could decide on the slavery issue for themselves when applying for statehood.