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Trench warfare during World War I introduced new weaponry such as machine guns, hand grenades, and __________.

Respuesta :

Answer:

machine guns, grenades, and artillery, along with essentially new weapons such as submarines, poison gas, warplanes and tanks.

Explanation:

jasselynmyers

Answer: D.

Explanation:Trench warfare during World War I introduced new weaponry such as machine guns, hand grenades, and poison gas. have an amazing day <3 pls mark me brainliest !!