| A | B |
|---|
| Western Indians offered strong resistance to white expansion through their effective use of | repeating rifles and horses |
| Inter-tribal warfare among Plains Indians increased in the late century because of | growing competition for the rapidly dwindling hunting grounds |
| The federal government's attempt to confine Indians to certain ares through the formal treaties was largely ineffective because | the nomadic Plains Indians largely rejected the idea of formal authority and defined territory |
| The warfare that led up to the Battle of the Little Big Horn was set off by | white intrusions after the discovery of gold in the sacred Black Hills |
| Indian resistance was finally subdued because | the coming of the railroad led to the destruction of the buffalo and the Indians' way of life |
| The federal government attempted to force Indians away from their traditional values and customs by | creating a network of children's boarding schools and white "field matrons" |
| Both the minding and cattle frontiers saw | a movement from individual operations to large-scale corporate businesses |
| The problem of developing agriculture in the arid West was solved most successfully through | the use of irrigation from dammed western rivers |
| The "safety valve" theory of the frontier holds that | unemployed city dwellers could move west and thus relieve labor conflict in the East |
