Which of these was one result of universal suffrage? A. An increase in freed slaves B. A decrease in states' rights C. A decrease in alcohol consumption D. An increase in voters

I would say that an increase in voters would be the most important result of universal suffrage as with it, both men and women and also in the US Afro-Americans could now vote in elections and exercise their democratic rights at least to the extent of the choice of political parties offered to the citizens.

I think the answer is c