The question can be classified as to what purpose they will use their power. Either for selfishness or selflessness. For selfishness, they are corrupt and will make their people suffer. For selflessness, they will try to find answers or solve common issues for the people and or for the country.
You are welcome and learn the alphabet first if you can't read
Jim Crow laws were state and local laws passed where white southerners reasserted their dominance by denying African Americans basic social, economic, and civil rights. Examples school segagration, right to vote, and interracial marriage
American colonial settlement could expand westward
Judicial review or the ability of the Court to declare a Legislative or Executive act in violation of the Constitution