<span>Because of the principle of checks and balances, the Constitution states that Congress can impeach a sitting President if he or she behaves in an unlawful manner. Checks and balances is a fundamental principle of American government, guaranteed by the Constitution, where each branch of the government has some measure of influence over the other branches.</span>
The best option from the list would be that "A. <span>The U.S. purchased the Florida Territory from Spain and seven states were admitted into the union, since this was one of the few times that the US purchased land instead of taking it through force. </span>
The answer is D. Europe, who had been the world's previous superpower, was destroyed by World War 2.
D. I was learning about this in Social Studies today. Also、great question!