What was the main use for airplanes in World War I?
O Airplanes enabled soldiers to observe troop movements and locations.
Airplanes allowed for the quick movement of resources.
O Airplanes eliminated the need for soldiers in the trenches.
Airplanes decreased the significance of naval warfare.

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Answer:it’s A

Explanation:

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Answer:

A: Airplanes enabled soldiers to observe troop movements and locations.

Explanation:

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