The Mexican-American War, that happened between 1846 and 1848 was a result of the dispute over the territory of Texas, which back then was called the Republic of Texas, and the Mexican President still considered Texas as Mexico's province.
D because it only pertains to animals. A, B, and C is about social pretraining stuff.<span />
I believe it was guerrilla warfare.
Answer:
The alamo is a symbol of Americans fighting for there freedom, americans dying for us.
Explanation: