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Inventions used in War
100
Who is Eli Whittney?
Cotton gin
100
What Invention helped send orders to soldiers?
Telegraph
200
Who made the light bulb?
Thomas Edison
200
The ball/bullet used in Civil War
Mine Ball
300
Who is John Deere?
Invented the Steel Plow
300
Used it with telegraph to send orders
Morse code
400
When was the sewing machine made?
1775
500
When was the telephone invented?
1870






American Inventions

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