Answer:
(I think, not sure if I'm totally correct) b. the right to vote in federal elections
Step-by-step explanation:
because it doesn't count if you've voted and don't have citizenship because when you vote they need to know if u are staying true to the U.S. and if something goes wrong with the voting (example: if it wasn't clear on what you marked in the ballot) they need to be able to contact you to let you know that the vote didn't make it in the official election