Appeasement Ends:

Hitler moves into the Sudetenland in October 1938
March 1939, Hitler invades the rest of Czechoslovakia
Hitler's next intentions were Poland; France and Britain warned Hitler that they would declare war, if he invaded Poland
Appeasement ended as a policy

Poland threatened:

Stalin's Worry:

The USSR concern with Germany was evident when they joined the League of Nations in 1934 and signed the Mutual Assistance Pact 1936
Stalin was not consulted over the Munich Agreement, and believed Chamberlain and Daladier were pointing Hitler eastwards