Select the letter of the correct answer. Think about the Article. Which fits best in the empty box above?

There is a large, empty rectangle. Above the rectangle, it says "Main Idea of the Article." Under the rectangle, there are two smaller boxes with arrows pointing up to the rectangle. Each small box includes a fact from the Article. The box on the left says "Women and other U. S. citizens can vote, not just white men." The box on the right says "You only have to be 18 by Election Day, not 21."
Press enter to interact with the item, and press tab button or down arrow until reaching the Submit button once the item is selectedAThe voting rules in America have changed over the years.
BIn 1870, the 15th Amendment changed voting in America.
CSome U. S. states have different voting rules.
DThe 19th Amendment gave more people voting rights.