Answer:
a reason or set of reasons given with the aim of persuading others that an action or idea is right or wrong.
Explanation:
One such situation in which compulsion might be implicit is if someone is in need or rescuing, since although they could be "forced" to be rescued, it can be assumed that they would want to be rescued anyway.
The falling action is everything that comes after the part of him crying at the milk bar and feeling guilty. Basically everything after the line, "When the crying spell passed, he wiped his eyes and face with his hankerchief, feeling relieved."
I agree with the person above - the complete subject of this sentence is D. a group of men.