Without political parties electors would have to evaluate every individual candidate in every single election they are eligible to vote instead parties enable electors to make judgments about a few groups instead of a much larger numbers of individuals
Political Parties are a way to group people with the same political vies
Explanation:
Being apart of a party allows an indduviduals and induviduials like him/her to make a group and push legisislation that is in accordance with their party For example say if someone wanted health care and they wantto run for senate, they could join a party that shares their views (democrats) and make it easier to push that specific legislation