What obstacles to improving their lives did native americans face in the 1950s?

One of biggest obstacles to improving their lives that the Native Americans faced in the 1950s was racism. Native Americans were impeded from obtaining better standards of living as they were discriminated against on the basis of their race. This practice greatly prejudiced the Native Americans during this epoch.

answer; /// i believe that they became successful farmers; ///////////////

i would go with the last one