Answer:
Correct answer is a. Britain and France gave in and allowed Hitler to annex the Sudetenland in Czechoslovakia
Step-by-step explanation:
A is correct answer because Britain and France allowed Hitler to annex this area, so the war could be avoided. Chamberlain believed that this was a victory of British diplomacy, but was heavily criticized by Churchill.
B is not correct as this happened as the result of Kristallnacht.
C is not correct as this was signed in the Ribbentrop-Molotov pact.
D is not correct as this happened as a result of war on the Pacific between Germany and United States.
E is not correct as this was signed during the Conference at Yalta.