Its a trick question for ppl that havent yet read the book
What book? There are many different books named ambush.
Do you mean Tim O'Brien
B - It can leave the reader unsatisfied
An anticlimax is a disappointing (or unsatifying) ending to an otherwise exciting series of events. Example: think of an action movie that just ends without wrapping up the loose ends or leaves too many unanswered questions.
The answer would be "Mike and Maria's political beliefs don't always match exactly with their two sisters' opinions."