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There are three branches of government. Why?

Answer. Any of these is accepted.
So one part does not become too powerful
  • Also accepted
  • Checks and balances
  • Separation of powers

Source: U.S. Citizenship and Immigration Services, 2025 civics test. Last reviewed September 5, 2026.

This is question 15 of 128 on the 2025 USCIS civics test, in the section Principles of government.

More from this section

These questions cover the ideas the United States is built on: the Constitution as the supreme law, the Bill of Rights, the rule of law, and why power is divided among three branches. Officers draw from this section often because it has no dates or names to trip over, only concepts.

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