Will give branliest if correct! what was one long-term affect of american actions in the lands the country claimed after the mexican-american war

The treaty effectively halved the size of Mexico and doubled the territory of the United States. This territorial exchange had long-term effects on both nations. The war and treaty extended the United States to the Pacific Ocean, and provided a bounty of ports, minerals, and natural resources for a growing country.

Explanation:

B. A dispute concerning the border of Texas.

Texas had recently gained it's independence from Mexico, but the US did not want it.