To what i know of Russia, us, Italy, Norway, Sweden , antatica, any of Africa, or Latin America.
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Italy was not invaded by the Nazis but was an ally. Norway was invaded and occupied by them.
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Few countries remained neutral during the entire World War 2:
However only six nations - Ireland, Portugal, Spain, Sweden, Switzerland, and Vatican City - remained neutral throughout the war. A few countries were neutral at the start of the war but soon became subjugated or belligerents. Chile began the war as a neutral but was pressured into it by the Organization of American States. Denmark and Norway were neutral but were soon invaded by Germany. Turkey was neutral for most of the war, but declared war on Germany in January 1945.
Spain, Switzerland, Portugal , Norway, Ireland , etc...
The ONLY countries involved in the war were: North Vietnam/South Vietnam; South Korea, US, Australia, New Zealand, Thailand, and the Philippines. War material was supplied to North VN by Red China/USSR.
Switzerland and Sweden are the various two countries which Hitler did not conquer.
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I would like to add that he failed to conquer Britain and Russia.
Switzerland, Turkey, Portugal, Sweden, and Spain were neutral countries in World War 2.
During World War II, the Battle of Krusk was fought. It involved Soviet Union and German forces, with a Soviet victory.
World War I World War II Afganistan War(After 2001) Plus many small wars in its country
Pictures of flags of countries that were involved in World War II can be found in most high school history books. In addition, they can be found on WWII websites and in history books at your local library.
what was the percentage of bystanders who did what? percent is a measure of proportion, there needs to be another reference point. do you mean of the world's population? do you mean only of those involved in the Holocaust? but then you say World War II, so do you mean 'which countries were neutral in World War II?' the question is impossible to answer as it is.
The territory that is Philadelphia was not involved in WW2 but people from Philadelphia were involved.