What country did hitler take over next and what did European countries do?

France? Italy entered the war on 10 June 1940 and invaded France over the Alps.

Following the Anschluss of Austria to Nazi Germany, in March 1938, the conquest of Czechoslovakia became Hitler's next ambition. The incorporation of the Sudetenland into Germany that began on 1 October 1938 left the rest of Czechoslovakia weak, and it became powerless to resist subsequent occupation.