In Mexican American war, racism was instrumental to the commitment to the war effort for Anglo-American expansionism. The ideas of racism served as a tool of rationale for ones who desired a war and for the ones who were against it. The war between the United States and Mexico had two basic causes. First, was the desire of the U.S. to expand across the North American continent to the Pacific. And the second basic cause of the war was the Texas War of Independence and the annexation of that area to the United States. During the progressing events, quite few people of American elite did not support the idea of the war. However, that same elite was not against the idea of expansionism. American government distributed manipulative beliefs that encouraged the concept that Mexico will attack United States. There was absolutely no consideration and respect for the rights of people of Mexico.…