Separation of Powers and Federalism Were Two Key Principles in the Framing

Separation of powers and federalism were two key principles in the framing of the U.S. Constitution. These two principles are related in that each

A) requires a strong central government elected by a popular majority.
B) involves a system of checks and balances in which power is dispersed.
C) grants power to a political elite that acts on behalf of the people.
D) reflects a need for "political virtue"-frugality, industry, temperance, and simplicity.
E) implies that it is sometimes necessary to exercise unrestrained power.