Question

Which of the following was NOT a new weapon that was widely used during WWI?

a. airplanes

b. submarines

c. tanks

d. rifles

Answer 1

Answer:

D

I think

Plz let me know if it is correct.

Answer 2

Answer: probably A. airplanes

Explanation: because airplanes don't really seem necessary during war.

plz tell me if i'm correct