The answer is airplanes.
They were originally used for reconnaissance but when they outfitted
with machine guns, they were given a more important role of attacking enemy
fortifications. Apart from machine guns,
they also employed bombs that were dropped on enemy trenches.
The first shots in the American revolution were fired at Lexington I think sorry If you get it incorrect good luck!
Thomas Cole painted scenes of the American landscape.
Answer: extinction
Explanation: it happens when a species completly dies out and there are no more
