Which invention allowed Germany to reduce the shipping capabilities of the Allied powers?
U-boat
SONAR
Fokker gear
tank
This is U-boat!
Right.
the U-boat is right
its the U-boat
U-boat
For Future people, the answer is the Uboat.
The invention that allowed Germany to reduce the shipping capabilities of the Allied powers during World War I was the U-boat (short for Unterseeboot, which means "undersea boat" in German).
If you want to find the answer to this question on your own, you can conduct an internet search using keywords such as "invention that reduced shipping capabilities of Allied powers in WWI" or "Germany's naval weapon in WWI." This will bring up various sources and articles that provide information about the role of U-boats during World War I.