All of the following contributed to the ultimate decline of the Native  Americans except:    
 the slaughter of the buffalo    
 * the Indians' refusal to accept Christianity    
 the reservation system    
 the Indian Wars    
    

Sand Creek was the scene of a/an     
 * unprovoked massacre of Cheyenne Indians by white civilian "Volunteers."    
 treaty of friendship between the Cheyenne and the citizens of Colorado.    
 unprovoked massacre of white soldiers by the Sioux.    
 Indian victory over the U.S. Seventh Cavalry.    
    
More than any other industry or commercial enterprise, this group fostered  western expansion:    
 missionaries    
 land speculators    
 * miners    
 farmers    
    

Beginning in 1868 and lasting nearly two decades, this industry represented  a bonanza in the West:    
 * cattle    
 buffalo hunting    
 cattle rustling    
 sod busting    
     

The Homestead Act granted 160 acres of public domain to any settler who     
 wanted it.    
 was willing to pay $5 an acre.    
 * would live on the land and improve it for five years.    
 was willing to share his or her produce with the government.    
    

European immigrants to the Great Plains tended to     
 * form tight-knit, ethnically distinctive communities.    
 look for secluded areas to form colonies.    
 add to the violence and instability of the West.    
 settle as individual families isolated on a solitary homestead.    
    

The Dawes Act was basically successful in     
 establishing Indians as homesteaders.    
 * undermining tribal sovereignty.    
 reinstating and protecting reservations.    
 reaffirming the integrity of Indian cultural institutions.    
    

From 1885 to 1887, which of these problems plagued the western cattle boom?     
 range wars    
 * drought and severe winters    
 grasshopper attacks    
 low prices