"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 the people." This quotation from the 10th Amendment of The Bill of Rights, was primarily intended to...

a. give the people the right to vote on important issues

B. limit the rights of American citizens

C. place limits on the powers of the government

D. Assure the national government would control the state governments