Respuesta :

The correct answer to the given question above would be the first option: RELIGION. Religion does not contribute to the effectiveness of the delivery of a speech. It has nothing to do with how you convey, or present your speech to your audience. What matters are the tone, clarity and the organization of your ideas or thoughts. 

What does not contribute to the effectiveness of the delivery of a speech?

The answer you're looking for is

A.religion