The Judicial Branch can rule that the Legislative Branch’s laws are unconstitutional. They can also evaluate the Executive Branch and rule whether or not the actions of the Executive are constitutional.
Checks and balances refers to a system in U.S. government that three branches—legislative, executive and judicial—and includes various that can be checked by the powers given to the other two branches. Congress can effectively check the decisions of the Supreme Court
Through the (D.) use of civil service based on merit. This opened the door to the people and leaders of the empire to help one another through kindheartedness and determination.