During World War I, which already existing weapon was made significantly more effective with new technology?

(1 point)
Responses

poisonous gas

poisonous gas

trench

trench

machine gun

machine gun

submarine

1 answer

The weapon that was made significantly more effective with new technology during World War I is the machine gun. Advances in design, production, and operation made machine guns much more lethal compared to their earlier versions, leading to a profound impact on infantry tactics and battlefield dynamics.