A subject names the person, place, thing, or idea the sentence is about. So in this case Harley is a name of a person which is the subject. Hope this helps :)
Agamemnon was a “friend” of Achilles who soon sent Achilles into a rage when he tried to steal his bride Brisies away from him. As for the questions the answers are the following 1. B 2. C and 3. B
By explaining researched facts. I'm sorry if this is wrong, but I am very sure it's right. Stay safe out there! ^v^♥