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(The first one and the third one seem to make the most sense.)
=)
<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>
D. They use different sources of evidence
