Question

What is the purpose of an effective conclusion?

Answer 1

The proper use of a conclusion is to restate the main argument or claim so I would go with A). To reinforce the primary claim. 

Answer 2

Answer: A) to reinforce the primary claim.

Explanation: A conclusion is the last part of something, its end or result. In a written work, the conclusion is used to introduce some final comments at the end of the piece of writing. An argument or claim is a statement assertion that something is true. From the given options, the one that represents the purpose of an effective conclusion is the corresponding to option A: To reinforce the primary claim.