Answer:
13.The Missouri Compromise was United States federal legislation that admitted Maine to the United States as a free state, simultaneously with Missouri as a slave state, thus maintaining the balance of power between North and South in the US Senate.
11.McCulloch v. Maryland (1819) is one of the first and most important Supreme Court cases on federal power. In this case, the Supreme Court held that Congress has implied powers derived from those listed in Article I, Section 8. The “Necessary and Proper” Clause gave Congress the power to establish a national bank.