Between 1915 and 1917, how did the strategies the Germans used at sea differ from those of the allied powers?
the allied powers used land as their mail gorund to fight on while the germans used the sea as a sneek attack bc the allied powers didn't see it coming that is how the ussr was sank bc of a surpisre attack from the Germans .
Answer:
Germany included the use of submarines in the types of boats used to attack enemy ships.