good things:Faster travel to the West by railroad; availability of supplies due to the railroad. The opportunity to own land cheaply under the Homestead Act. The discovery of wheat strains adapted to grow in the climate of the Plains.
Perfect example of America not caring about native american first nation
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bad things: Westward Expansion generally had negative effects on the Native Americans. Native Americans were forced to live on reservations. The buffalo, an important resource, experienced rapid population decline. Military conflict between Whites and Native Americans resulted in many deaths.