It would be the fifteenth amendment. As you may know, the fifteen amendment was passed, and it prohibited the federal and state governments from denying a citizen the right to vote based on that citizen's "race, color, or previous condition of servitude". Why do we still say it didn't make suffrage universal? Because if you were a woman, you were still not allowed to vote. Not until the 19th amendment
Answer:
the theme of a story is the idea that connects the story parts
I think the answer is b. hope it's right