It wasn't. See related questions.
The Mexican-American War.
They had to go into war with Mexico to get the land.
Polk justified his war message saying that Mexico had attacked American troops and invaded the United States and that the Mexican government had not been cooperative in negotiations over the Texas boundary issue.
Americans believed that the Mexicans started the War because they "Shed American blood, on American Soil"- President James Polk....but really American troops crossed the border were on Mexico's territory.
The arrival of the Europeans did not affect the native americans in Mexico.
The Mexican-American War.
Americans were in favor in going to war with Mexico so that Texas could be annexed. The war began in 1846.
Americans were in favor in going to war with Mexico so that Texas could be annexed. The war began in 1846.
They had to go into war with Mexico to get the land.
Mexico
yes.
Enemy forces sent a letter to Mexico, which was intercepted by the Americans, telling them to invade America.
Mexico City
We annexed California following our victory over Mexico.
BEcause he can.
Polk said we had to go to war because U.S. forces had been attacked on the Rio Grande. Some said we provoked Mexico into war.
Generally, soldiers do not justify war. They do not decide who to fight or why. THAT is the job of politicians and voters.