Mining frontier {Ans: The western states which had series of gold strikes including, Colorado, Nevada, Idaho, Montana, Arizona, and South Dakota.}Great Plains {Ans: The broad expanse of prairie and steppe which lie in the west of the Mississippi River and east of the Rocky Mountains (Colorado, Kansas, Montana, Nebraska, New Mexico, North Dakota, Oklahoma, South Dakota, Texas, and Wyoming are apart of the plains).}44.) Jack London {Ans: Young California writer and adventurer, who portrayed the conflict between nature and civilization in novels like The Call of the Wild.}Horizontal integration {Ans: former competitors were brough under a single corporate umbrella}Pullman strike (1894) - {Ans: strike against railroad monopoly, 50,000 strike, gov't brought in to stop}21.) Settlement House {Ans: Living and working in these houses, the young reformers hoped to relieve the effects of poverty by providing social services for people in the neighborhood.}Populists (People's) Party {Ans: It was a shortlived political party in the United States in the late 19th century. It flourished particularly among western farmers, based largely on its opposition to the gold standard. The term "populist" has since become a generic term in the U.S for politics which appeals to the