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Vikki [24]
3 years ago
13

What two new weapons systems of the early 20th century enabled the navy to fight over and under the surface of the ocean?

History
2 answers:
Leni [432]3 years ago
8 0

Answer:

Airplanes and submarines

Explanation:

Two new weapon systems that were developed in the early 20th century were airplanes and submarines. Aircraft was first used in war in 1911, but it became widespread during the Great War (1914-18). Airplanes were first used for reconnaissance, and later as fighter planes. Submarine warfare also became important during WWI, mainly as a fight between German and Austro-Hungarian U-boats.

Kazeer [188]3 years ago
5 0
They used airplane and submarine 
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