If this is an opinionated question then I think yes because the government is what “runs” the states. Without the federal government then we would not really have defense. We need a department of defense. We need our federal government; it’s composed of the legislative executive and judicial branches of government. We need all them
The Civil War in the United States began in 1861, after decades of simmering tensions between northern and southern states over slavery, states' rights and westward expansion. ... The War Between the States, as the Civil War was also known, ended in Confederate surrender in 1865.
B, understatement of the ideas
The power of judicial review is one example of courts interpreting the Constitution.
Judicial review refers to checking if an act, or a law, is passed and implemented according to the Constitution. It is the role that courts have to play in the American law-making process, so that is why this is the correct answer.