A. The past issues the led to this decision was his military growth and the constant taking of other countries as his territory.
B. They believed if they could become allies with Adolf Hitler he wills top his actions and it will prevent another war.
C.They were trying to avoid another conflict between the countries.
D.It was not successful because shortly after the negotiations Hitler has taken several other countries as his territory and even Invaded Poland later on drawing the last straw and causing Great Britain and France to declare war on Germany.