Question

Between 1915 and 1917, how did the strategies the Germans used at sea differ from those of the allied powers?

Answer 1

Germany included the use of submarines in the types of boats used to attack enemy ships.

Answer 2

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 .