Why do you suppose the activists in 1973 decided to stage their demonstration at Wounded Knee ?

In early 1973, AIM prepared for its dramatic occupation of Wounded Knee. In addition to its historical significance, Wounded Knee was one of the poorest communities in the United States and shared with the other Pine Ridge settlements some of the country's lowest rates of life expectancy.

The constant presence of diseases or infectious agents within a given geographic area or population group. it may also refer to the usual prevalence of a given disease with such area or group. it includes holoendemic and hyperendemic diseases. a holoendemic disease is one for which a high prevalent level of infection begins early in life and affects most of the child population, leading to a state of equilibrium such that the adult population shows evidence of the disease much less commonly than do children (malaria in many communities is a holoendemic disease). a hyperendemic disease is one that is constantly present at a high incidence and/or prevalence rate and affects all groups equally. so probably family history.