Mexican-American War (apr 25, 1846 – feb 3, 1848)

Description:

A war fought between the US and Mexico. There is some disputed territory in Texas, and both countries lay claim to it. The US sends troops into the territory, which may or may not be for defensive purposes, and also may or may not have marched into Mexican territory as well. In any case, US troops are shot and Polk gets Congress to declare war. The Americans wins, even managing to capture Mexico City. It is the eighth deadliest war in American history. It is also one of 5 wars in which Congress officially declares it so.

Deaths:
13,000 Americans
25,000 Mexicans

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