Which amendment addresses the powers not delegated to the United States nor prohibited to the States?

• A. First Amendment
• B. Fourth Amendment
• C. Sixth Amendment
• D. Tenth Amendment

Answer: (D)

Reserved powers in the federal system are being tested here. The Tenth Amendment states that powers not delegated to the United States by the Constitution, nor prohibited to the States, are reserved to the States or to the people. This sets the boundary for federal authority and preserves state sovereignty by keeping unenumerated matters with state governments. That explicit statement about where power lies is why this amendment is the best answer: it directly addresses the division of power between national and state governments. By contrast, the First, Fourth, and Sixth Amendments protect specific individual rights or limit government action in particular areas (speech and religion, searches, and criminal procedure), but they do not articulate how powers are distributed between the federal and state levels.