Dialogue conveys basics of a play, and to:
a. further the action
b. make the play more interesting
c. involve the audience.

Dialogue conveys basics of a play, and helps to:

a. further the action

~Hope this answers your question!~

to leave the reader thinking and wandering on their own. without a resolution we are clueless to what happens next, and why it does. it may even cause suspension with the reader.

explanation:

to convince americans of the importance of others.