Why did the Allies not invade Germany through Denmark?
Why did not the Allies invade Nazi Europe through Norway / Denmark instead of Normandy?
Why didn't the Allies use Spain to invade France, instead of Normandy? Why didn't the Allies grab German land after ww2? (Though East Germany was communist but they were still East Germany and not Kaliningrad (Prussia))? Why didn't Norway join the European Union? Why did Nazi Germany never actually invade the UK? When The Soviet Union defeated Nazi Germany, why didn't they invade its lands and claim it their own? Why did Germany invade Austria during World War II? What were the effects of the invasion? Why did the world blame Germany in WWI in the Treaty of Versailles when Austria/Hungary started the war 5 years earlier? Why isn't Norway in the European Union? Why did Germany and Japan become allies during WWII? Which European countries did not participate in WW2 and how did they manage to do it? If America were never involved in WW2 and Germany conquered Europe, what would they have done about the United States? Why was Austria not politically divided like Germany after WWII? Which European countries did not participate in WW2 & how did they manage to do it? Why was the U.S. able to successfully fight a two-front war, but Hitler's Germany was not? If Germany had defeated the U.K and the Soviet Union, would it have invaded the U.S? If the Germans had won the Battle of Britain and occupied Britain, would they have implemented the Holocaust there as well? If the invasion of Normandy failed would Hitler have won the war? Why did the Germans in WW2 always have more advanced weapons than the allies? What would have happened if France had won the Franco-Prussian war? How did Germany defeat France so easily during the World War II? Why was nazi germany defeated? Why wasn't there an insurgency in Germany after the end of World War II? Why did Poland receive so much historic German territory after the world wars? NATO was founded to protect Europe from the Warsaw Pact. Did the Soviets ever a have plan to invade?  What would have triggered it? Could Germany have won World War II if they did not attack the Soviet Union? Did Romania's betrayal of the Germans really matter to Germany in WW2? Could the British empire have defeated Nazi Germany alone? Why did the Treaty of Versailles have such a negative effect on Germany? If Britain and France did not declare war against Germany, would Hitler have attacked Russia first? What if Germany had not attacked the Soviet Union during WW2?