German, US, Russia, Britain. etc.
appeal to German nationalism, or jail
Britain entered the fighting World War I after the German invasion of Belgium.
For German colonies in the Pacific Ocean
yes
In World War I, the Japanese joined the Allies for a time, and fought the German army in east Asia.
a U-Boat is a German Submarine used to fight the U.S in WW1
Norway was occupied by German troops early in the war.
the treaty of Versailles
The German army crossing into Belgium, whose neutrality had been guaranteed by Britain.
German troops were freed to fight in the west.
a german shepard