The major thing that contributed to problems between the U.S. and Mexico is Americans had a hard time accepting Mexican customs and culture Americans did not want to convert to Roman Catholicism.
A problem refers to something that causes difficulty or that is hard to deal with.
Americans had a hard time accepting Mexican customs and Culture Americans that did not want the conversion to Roman Catholicism.
Mexicans did not trust Americans because they refused to give up their own culture and embrace Mexican culture.
Learn more about the problem here:
https://brainly.com/question/18760423
#SPJ1
