C. Three equal branches with different powers
Answer: SUB TO TAE COMBOS ON YT
Explanation:
The Missouri Compromise (1820) - Missouri's Southern border to be taken as the line of latitude extending West as the frontier of slavery.
It would be the "Necessary and Proper Clause" that establishes many implied powers of Congress, since this allows Congress to do whatever is "necessary and proper" to keep the United States functioning.