yo face
Well for a simple answer, it was the sinking of the Lusitania by a German u-boat. that was the spark that turned the u.s. opinion on Germany
Take over for Hitler and join Allies in fighting Russia
Pearl Harbor
it finally realized what Germany was doing and the central powers were fighting for
the Germans' use of unrestricted submarine warfare
The Germans' use of unrestricted submarine warfare against the merchant and passenger ships lead to the United States joining allies in WWI. The US had not a chance fighting the Germans alone.
The Allies
They wre allies of the affected
france
1914
I'm in Y5 but I do yr 7 work so: yes, berlin did join the Allies in WW2 in 1941
yo face
Yes i think they did