In contemporary times, a political party's nominees and platform are decided long before the party’s convention takes place. With that in mind, what is one benefit of holding a national convention?

-It is the only chance to appoint the delegates who will represent the party.

-It allows party members to express their preferences at the precinct level.

-It provides an opportunity to promote the party’s candidates and gain the public’s support.

-It gives the candidates a chance to stand side by side with their opponents and provide a more accurate comparison.