Question

The development of which of the following weapons proved to be the most valuable for the Allies?

machine gun
submarine
airplane
tank

Answer 1

The machine gun was decisive in securing victories for the Allies in WW1, if that's the time period this is focused on.

Answer 2

ANSWER: machine gun

EXPLANATION: Machine Guns were developed in the mid 19th century. Its key characteristics were relatively high rate of firing and mechanical loading. It first appeared in the Model 1862 Gatling gun, which was adopted by the United States Navy. The weapon was still powered by hands which later changed and made Dr. Gatling to experiment with electric-motor-powered models.