What position or role does young twain want to have? why?

He wanted to participate in Simmon's program.

Explanation:

Young Twain bet on humor to forget his problems, he believed that he had a talent for making people laugh and feel good, as he felt in those moments of laughter and spontaneity. For that reason, he really wanted to participate in the Simmon program, be a success, and be the most talked about participant in that program. He also wanted to amuse people, so that they would have the strength to endure their problems, just like him.

expository writing is one of the most common types of writing.

he said that the sum rises in the east.

explanation:

it is definitely not rose because it does not make sense and at the same time, it is not the past or present. "he said that" means the future. he is telling someone what happens.