Crises were caused by the German occupation of the Rhineland in 1936 ; the Anschluss and Sudeten crisis of 1938 ; and the German occupation of Bohemia and Moravia and the Italian invasion of Albania in the spring of 1939 .
Countries got concerned by the German occupation of the Rhineland in 1936 ; the Anschluss and Sudeten crisis of 1938 ; and the German occupation of Bohemia and Moravia and the Italian invasion of Albania in the spring of 1939 .