Why was the world plunged into WWII in 1939, what is the most effective response to aggression, appeasement, or collective security? The 1920s began with a favorable outlook for peace, however towards the end of the decade, clouds of war began to form. Aggressors began to take charge and strong feelings of nationalism arose. Fascist leaders such as Benito Mussolini of Italy and Adolf Hitler of Germany also helped lead Europe into the outbreak of a …showed first 75 words of 432 total…

…showed last 75 words of 432 total…it would "save the peace of Europe for a generation," according to Prime Minister Neville Chamberlain. Many actions were taken that moved Europe towards war. Many people did not feel as if these actions posed potential problems for Europe. As expressed earlier, "Hitler had done nothing that any major power considered dangerous." For every action, there is a reaction, and although the reaction was not a favorable one, a lesson must be learned from it.