Which fallacy is this. "Dear Koo, your choice to send me the money will tell me you either love me or you don't! Yours in waiting, Akosua Mansah​"

fallacy of false dilemma

Explanation:

The fallacy of false dilemma is a form of fallacy in which it involves the either-or options usually choosing between two options without specifying the availability of other options, even though other options are available.

Hence, in this case, when the letter read in part that "...either loves me or you don't..." This shows the Fallacy of False Dilemma in the letter.

breathe, think and analyze the situation, pull them aside and talk to them about it

because most jews were in the concentration camps and dying horrible deaths while anne could be with her family in a warm place with shelter, food, water, and a place to sleep.