What is the purpose of an effective conclusion?
2 to reinforce the primary claim
7. to address the counterargument
to support the claim with evidence
to provide additional examples and details

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.

spiderman is cool and epic

the type of supporting detail is fact!