Answer:
Well, voting plays a big role in becoming a participant in democracy you know? Thats like the biggest thing we can do as citizen's to kind of have a say, and a role I guess you can say.
I also found this
"By voting, citizens are participating in the democratic process. Citizens vote for leaders to represent them and their ideas, and the leaders support the citizens' interests. There are two special rights only for U.S. citizens: voting in federal elections and running for federal office."