The anser is B
North Vietnamese (as well as Vietcong) were extremely sneaky when it came to their warfare strategies. They were constantly on the retreat and resorted to hiding, raiding American soldiers by night, setting traps, and other similar "underhanded" tactics. It came to the point where the American government had to stop sending troops because it was proving to be futile.
If you’re referring to the book on “Edgar Allen Poe” the answer is his mother.
Hope this helps ;)
