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 Senate refused to ratify the treaty of Versailles primarily because they objected to the League of Nations. If the US joined the League, then they would be obligated to fight in future wars and the Senate didn't want that.
The answer is D. The Gupta empire
