Question

The power of state governments is established by law. What gives power to state governments?

Answer 1

The Tenth Amendment states, "The powers not delegated to the United States by the Constitution, nor prohibited by it to the states, are reserved to the states respectively, or to the people." So basically, states have all powers not granted to the federal government by the Constitution.

Answer 2

The Constitution of the United States.

Step-by-step explanation:

On its tenth Amendment that it is part of the Bill of Rights, which clearly expresses the principle of federalism and the State´s rights. The United States federal government had only the power that is delegated to it by the Constitution. The remaining powers remain to the States or the people.

I hope this answer helps you.