People disagree whether the United States should have gone to war against Mexico. Should the United States have declared war? Consider information from the lesson and maps to explain your claim with at least two reasons. The United States The United States should not have gone to war against the Mexican people. Because The United States were not the rightful owners of the place. The Mexicans owned it and only allowed US citizens to reside there.. A second reason is. Also given the fact that Mexico was a poorer country and they were smaller, the US should have not declared war. Reporter McQuill mentions your claim will be stronger if you respond well to someone who disagrees with you. Use this framework to challenge a counterclaim. Even though some people think that _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _.