They didn't.
Germany and Japan were allies during World War 2. They were not at war with each other.
They were an ally of Japan
Adolf Hitler made all these decisions for Germany 1933-1945. It was his choice to go to war. The people of Germany generally supported his decision.
We did not want to go to war until the Japanese attacked Pearl Harbor. Shortly after we declared war on Japan, it was Germany who declared war on us. We had no say in the matter of war with Germany.
Shortly after Japan attacked the US at Pearl Harbor, Germany declared war on the US.
The US went to war with Germany because Germany declared war on the US, on December 11, 1941. This was four days after Germany's ally Japan attacked the US fleet in Pearl Harbor, and three days after the US declared war on Japan. Germany was not obligated to declare war against the US under the terms of its treaty of alliance with Japan. Germany would have been obligated only if Japan were attacked, and not if Japan was itself the aggressor. Nevertheless Germany decided to open hostilities.
In 1933.They left Germany in 1933 to go to the Netherlands.
December 7th, 1941 was the date that Japan attacked Pearl Harbor. The US declared war immediately.
Because of the Japanese attack on Pearl Harbour in December 1941- Japan and Germany were allied by treaty, and the USA could not go to war against Japan without declaring war on Germany as well.
After Japan declared war on the US, Germany did the same to show their support for japan.
they would go and try to destroy italy japan and germany >:(
Yes, Germany has and also, Tokyo, but Tokyo is starting to go back in debt.