Which best describes the type of constitutional system the United States has?

• A. Confederation gives most power to a central legislature; the United States has a confederate system.
• B. Unitary centralizes power; the United States uses a unitary system.
• C. A parliamentary system; the United States uses a constitutional monarchy.
• D. Federal centralizes power while the states have no autonomy; the United States has a unitary system.

Answer: (B)