Germany entered WWII in 1939
They were allies with Germany.
They were invaded by Germany
Germany declared war on the US. The US entered World War 2 because of the Pearl Harbor raid.
No. The Soviet Union did enter World War 2 but on the other side. Germany invaded and then forced the Soviet Union into the war
Great Britain entered World War 2 in 1939 after Germany invaded Poland.
England entered the war when Germany invaded Poland in 1939.
It was invaded by Germany on May 10, 1940.
Canada declared war on Germany on September 9, 1939, in response to Germany invasion of Poland.
Great Britain declared war on Germany in September 1939 after Germany invaded Poland.
Britain and France declared war on Germany on 3 September 1939
Austria was effectivly part of Germany in WW2. therefore 1939.