I think the U.S has a constitution because it puts rules in place. I think if we didn't have a set of rules then we would become a dictatorship and the country would just fall apart. also, one role its plays every day is the government. So it tells what the government can and cannot do.
Answer:
Third parties may also help voter turnout by bringing more people to the polls. Third party candidates at the top of the ticket can help to draw attention to other party candidates down the ballot, helping them to win local or state office.
