African Americans, because they were a minority. They weren’t permitted to vote by states, and other cases were attacked.
Common law is important because it means than nobody, not even the President, is above the law. When the U.S. won the Revolutionary War, the Founding Fathers didn't want another tyrant to rule and not follow the laws.
The goal of Spanish missionaries was to convert the natives living in the New world to Catholicism. (Catholic)
hope this help