How did reservations, European civilization, and allotment affect the Western Plains Indians?

How did reservations, European civilization, and allotment affect the Western Plains Indians?

lease use these references: 1. https://americanindian2-abc-clio-com.ezproxy1.apus.edu/Topics/Display/2012210?sid=1673700&webSiteCode=SLN_AIE_AC&returnToPage=%2fTopics%2fDisplay%2f2012210%3fsid%3d1673700&cid=143&useConcept=False&token=9AFB819296E6F8C1EA28E738EF98055F&casError=False 2. https://americanindian2-abc-clio-com.ezproxy1.apus.edu/Topics/Display/2012210?sid=1572020&webSiteCode=SLN_AIE_AC&returnToPage=%2fTopics%2fDisplay%2f2012210%3fsid%3d1572020&cid=143&useConcept=False&token=9AFB819296E6F8C1EA28E738EF98055F&casError=False 3. https://americanindian2-abc-clio-com.ezproxy1.apus.edu/Topics/Display/2012210?sid=1500377&webSiteCode=SLN_AIE_AC&returnToPage=%2fTopics%2fDisplay%2f2012210%3fsid%3d1500377&cid=143&useConcept=False&token=9AFB819296E6F8C1EA28E738EF98055F&casError=False 4. https://americanindian2-abc-clio-com.ezproxy1.apus.edu/Topics/Display/2012210?sid=1500377&webSiteCode=SLN_AIE_AC&returnToPage=%2fTopics%2fDisplay%2f2012210%3fsid%3d1500377&cid=143&useConcept=False&token=9AFB819296E6F8C1EA28E738EF98055F&casError=False