
Respuesta :
Answer:
Unrestricted U-boat attacks
Explanation:
They never warned merchant ships, they just attacked
They never played the defensive role in 1917
They didn't just attack British ships, they attacked a whole lotta ships
Answer:
Unrestricted U-boat attacks
Explanation:
They never warned merchant ships, they just attacked
They never played the defensive role in 1917
They didn't just attack British ships, they attacked a whole lotta ships