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Samuel colt invented the first revolver. It allowed for westward expansion. The west was not a friendly place for americans. The revolver was used for protection.
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Samuel Morse invents the telegraph. It was a new source of communication and was used in secret messages in the Civil War.
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The Torpedo invented by Englishmen Robert Whitehead. the torpedo was a missile propelled against targets. Used in World Wa 2.
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Alfred Nobel invents dynamite. I thinkn this invention was great because it created a new passage way for the trains. Blowing up mountains and creating these new tracks helped our nation transport goods to places we couldn't before this invention.
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The zeppelin invented by Count Ferdinand von Zeppelin. Was a source. The zeppelin became a vital weapon of war in Word War 1.
