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  The Market Revolution improved the speed of transportation and also saw many innovations of new inventions that helped produced goods more efficiently.
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  California: 1858-1849
Colorado: 1858
Nevada: 1859
Idaho: 1860
Montana: 1863
Black Hills: 1874 - 
  
  A union that was created to fight for better working hours and things like: an 8-hour workday, ending child labor, and better wages.
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  This was a military campaign that was launched mainly at the Comanche American Indians. They were trying to move and relocate the Indians.
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  The railroad workers had their wages cut and decided to go on strike.
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  There were around 300 Lakota people that were massacred in this event. This massacre marked an end to the American Indians' resistance to the whites.
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  This treaty wrapped up the Spanish-American War. It was signed by representatives from both sides in Paris.
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  The U.S. declared war on the Spanish because of the battleship, U.S.S. Maine, that exploded. The fighting happened in the locations like Cuba, Phillippines, Puerto Rico, and Guam, Asia-Pacific.
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  Congress passed the Gold Standard Act, which said that only gold was allowed to be exchanged for paper money. The paper money was backed by gold.