How does the use of thetorical questions contribute to the effectiveness of
this argument?

Writers use rhetorical questions to make a point or convey an effect. Often, the answer to the question is obvious, and the writer asks the question to let the reader think about it. By not providing an answer, the writer lets the reader fill in the gap with their own mind, creating a rhetorical effect.

Explanation:

Did you mean to say "rhetorical"? if you did, your answers above.