How long did the Mexican-American War last? What factors enabled the U. S. to defeat Mexico?

from April 1846 to February 1848.

There were many causes of the war, but the biggest reasons were Mexico's lingering resentment over the loss of Texas and the Americans' desire for Mexico's western lands, such as California and New Mexico. The Americans believed their nation should extend to the Pacific: this belief was called "Manifest Destiny."

answer; protectionism fosters competition and keeps price regulated;

answer; repetitive thoughts; ritualistic behaviors;