Which of the Following Accurately Describes Trends in Suffrage in the United

Which of the following accurately describes trends in suffrage in the United States?

A) Voting rights have progressed to the point that no one over 18 in the United States is excluded from the right to vote, and state voting policies have all become identical to one another.
B) There has been little change over time in voting rights and voting policies among states.
C) Voting rights have steadily expanded and there has been a movement toward uniformity of voting policies among states.
D) More and more groups have been excluded from the right to vote over time, and state voting policies have become increasingly different from one another.