All I would know on this matter, is : America joined WWI because of the American lives being lost on Passenger liners such as the RMS Lusitania.
The girls father wanted to give her everything but she was always so defiant
Answer:
A. They were extremely precise and successful in every attack.
Explanation:
Depth charges are quite literally explosives in a barrel that sink to a set depth before exploding. They wouldn't be 100% accurate due to them tumbling as they went down into the water. You usually needed at least a couple of Depth charges before you could knock out a Jerry (slang word for German during world war 2, fun fact!) U-Boat submarine, and this still applies today.