A. 51 states
B. 50 states
C. 56 states
D. 46 states
🧠 Explanation:
The United States is a federation of 50 states, each with its own government, united under a federal system. This structure balances local and national governance. For political science or history students, the U.S. federation offers insights into federalism, making it a key topic for studying governance systems and their impact on national unity and policy-making.
