The Suffragists Won Early Victories in Wyoming and Colorado

The suffragists won early victories in Wyoming and Colorado. They scored the ultimate victory in their quest for enfranchisement of women when

A) the Voting Rights Act of 1965 was passed, which granted universal suffrage to everyone.
B) the Twentieth Amendment was passed in 1920, giving women the right to vote in all states.
C) the U.S. Supreme Court ruled that women had the right to vote in Smith v. Allwright .
D) the Nineteenth Amendment was passed in 1920, forbidding the states to deny women the right to vote on the basis of gender.