Because in that period in time the goverment didnt want non-citizens to vote so ou would have to be a citizen, in order to become a citizen you have to take a test! Just think about your classroom there are many children, that is why they become voters in big groups because they have to take a test!
Answer:
Islam is the one group who practices mostly christinity and Animism,although few people are muslim.
I think its C since he was the only candidate that wasn't known in Washington.