C. the 10th Amendment to the US constitution gives power to the states
Answer:
C. The 10th Amendment to the US Constitution.
Explanation:
The Amendment was part of the Bill of Rights and expressed the principles of federalism and states rights.
In fact, the Amendment gives power to the Federal government by stating that it held only those powers that are delegated by the Constitution, while the rest remain to the States and the people.
I hope this answer helps you.