The narrator goes to visit Usher, because his friend Roderick sent him a letter requesting his company. Roderick wrote he was feeling physically and emotionally ill so the narrator rushes to see him.
True
When you're stating a claim in an argument, whether it's an essay or a speech, you want to make sure that it's clear and concise. This 'theory' is what you are going to spend your piece proving, so it should be strong and carefully thought out.
