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    
    

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.    
    


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.