Answer:
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.
According to the 10th amendment, all powers not given to the federal government through the constitution belong to the people or the individual states. This was done to protect the individual states from any possible tyranny of the centralized federal government. It was one of the main amendments that the anti-federalists fought for.
