Answer:
B. The US had never lost a naval battle before the battle in Guam.
Tea Act of 1773, which caused the boston tea party in the same year leading up to a war 2 years later.
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Group A I believe
Hot-air balloon flights pioneer air travel
Aviators fly gliders—heavier-than-air aircraft with no engines
Development of engine-powered machines with propellers and lightweight motors
First-ever flight across the English Channel
Construction of the first military airplanes
<span>World's first scheduled commercial airline</span>