<span>In a This Day in History video, learn that on July 10, 1925, the Scopes Monkey trialbegan in Dayton, Tennessee. High school teacher John Thomas Scopes was charged with violating Tennessee's law against teaching evolution instead of the divine creation of man. The trial was the first to be broadcasted on live radio.</span>
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Inventions helped determine the very shape of the West. The telegraph instantly connected Americans across thousands of miles; railroads killed some towns and gave birth to others; the gun quickly established the settlers' dominance over the country; and barbed wire created vast ranching empires.
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