Answer:
The people can dictate what the Constitution says.
Explanation:
The Constitutional amendment is called the ultimate check because "the people can dictate what the Constitution says."
This is because the process of Constitutional amendment in the United States involves the approval of the majority at both all the state legislatures in the country and the Congress including both the Senate and House of Representatives.
By involving a large number of elected representatives in determining the constitutional amendment, it is then concluded that the Constitutional Amendment is the Ultimate Check.
The answer is D!!!!!!!!!!