The definitions of the terms liberal and conservative have changed many times in American history. By the late 1970s, all of the
following statements would be accurate descriptions of liberals EXCEPT: Liberals tend to believe that government should take an active role in solving the problems of society. Liberals tend to have a favorable view of the economic and social programs of the New Deal and the Great Society. Liberals want to reduce the role of government in the lives of ordinary people. Liberals accept a greater amount of government regulation of the economy.
I think maybe the answet you are looking for is wounded knee. There was a massacre there in 1890 and then in 1973 multiple members of the Antive american movement occupied the site for more than 70 days to protest the condition of reservation and the treatment of native americans.