Question

who was considered the master of the submarine used in ww1

a. britain
b. germany
c. usa
d. none

Answer 1

Answer:

d

Explanation:

Answer 2

Answer:

I would say the answer is D. None

Explanation:

I've done some hefty research on this and I don't think any of them were considered the "master" because they all lost many submarines in WW1. I really hope this helps!