Answer: E. Ended further German aggression until World War II began
Step-by-step explanation:
The treaty of munich conceded the german speaking parts of Czechoslovakia to Nazi Germany, which demanded them on ground of being rightfully German since the population of these areas spoke the language. It was part of the policy of Appeasment in order to prevent another European war.
Although the agreement was celebrated at the time, it had convinced Hitler that neither France nor Great Britain would intervene if he decided to expand German territory. He invaded Poland in 1939, sparking WWII after Britain and France joined the war against Germany.