After 1865 there was more competition from other groups for land in the Great Plains. Which of the following groups competed with the cattle-ranchers for land from 1865 onwards?

Cattle-ranching spread into the Great Plains, just as Homesteaders were moving there to set up small defined farms. The scene was set for conflict between the two groups. There was little enforcement of law and order in these areas until the end of the century, when state boundaries were established.