Answer:
By the end of 1940, Poland, Austria, Belgium, the Netherlands and France were under German control.
Explanation:
As a result of its defeat in World War I and the resulting Treaty of Versailles, Germany lost Alsace-Lorraine, South Jutland and Memel. The Saarland became temporarily a protectorate of France on the condition that its residents later decided by referendum which country they would join. Poland became an independent nation and received access to the sea through the creation of the Polish Corridor, which separated Prussia from the rest of Germany, while Danzig was transformed into a free city.
Germany regained control of the Saarland through a referendum in 1935 and annexed Austria during the Anschluss in 1938. The 1938 Munich Agreement gave the Germans control of the Sudetenland and they seized the rest of Czechoslovakia six months later. Under threat of a maritime invasion, Lithuania surrendered the Memel district to the Nazis in March 1939.
Between 1939 and 1941, the Third Reich invaded Poland, France, Luxembourg, the Netherlands, Belgium, and the Soviet Union. Trieste, South Tyrol and Istria were also ceded to Germany by Mussolini in 1943.
