What challenges did germany face after ww1? what problems did hitler and the nazi party claim to be able to solve?

The two main problems that Germany faced after World War I were that it had been stripped of its military and forced to pay harsh reparations. Hitler claimed that he would being back Germany's military and get people back to work--thus ending Germany's shame. 

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.