They've always been there since they practically started it.
Poland was invaded by Germany.
Japan and Germany
Germany had was the one country that was involved in World War l and World War ll
US, UK, Germany, Italy
Europe was involved by being near Germany and Germany wanted to eradicate everyone who were not of the "Aryan Race"
Almost all of continental Europe was involved in World War 2. Many nations were invaded and occupied by Germany. Germany, France, England, Italy, and Russia were all combatants.
After the Japanese bombed Pearl Harbor and the U.S. declared war on them, Germany declared war on the U.S.
Argentina did not get involved in World War 2, though it went through the motions of declaring war on Germany at the end of March 1945. Later, it welcomed Nazi war criminals.
The First two were Germany and Poland
Yes, it had been invaded by Germany.
1939 Germany declared war on the US in December 1941, a few days after Pearl Harbour.
Officially, World War 2 started when Germany invaded Poland on 1 September 1939. On 3 September 1939, Britain and France declared war on Germany.