The US did enter into an undeclared shooting war with Germany in the fall of 1941 because Germany has declared war on the US.
1941
1941
1941
08 Dec 1941
on decmber 8 1941
Dec 07, 1941
Japan, Dec 7, 1941 (state of war existed); Dec 8, 1941 US declaration of war against Japan; Germany declared war on US December 11, 1941.
December 11, 1941.
December 8, 1941.
1909 to 1944 The US entered World War 2 in December of 1941.
Germany declared war on the US on 11 December 1941. In the hopes that Japan would declare war on Russia.