The great compromise and the three fifths compromise helped the convention reach agreements because they were meeting half way
An anthropologist named Paul Kirchkoff first used the term “Mesoamerica” (meso is Greek for “middle” or “intermediate”) in 1943 to designate these geographical areas as having shared cultural traits prior to the invasion of Europeans, and the term has remained.
Well, one obvious one is they didn't want to be forced out of their homeland, so they tried to make deals with the government to prevent that.