Answer:
Harpers Ferry Raid, (October 16–18, 1859), assault by an armed band of abolitionists led by John Brown on the federal armory located at Harpers Ferry, Virginia (now in West Virginia). It was the main precipitating incident to the American Civil War.
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Answer:Same lol, it was good, thanks for asking :P
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Answer:
Inventions like the airplane and machine gun
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World War I was so deadly because all of the new weapons that were invented. New technology that was being invented such as machine guns and mustard gas made war deadlier than every war before.
