Question

Which of the following weapons helped continue the stalemate on battlefields during World War I

a] the tank
b] the submarine
c] the fighter plane
d] the machine gun

Answer 1

I think It was the tank

Step-by-step explanation:

the first prototype was created in 1916

Answer 2

The answer to this is D machine gun.

Step-by-step explanation:

The machine gun allowed soldiers to rapid-fire bullets at the enemy at a rate of 400 to 600 rounds per minute. This allowed defenders the ability to dominate the battlefield and cause the death of advancing enemy soldiers.