A pesar de ser un conflicto ideológico entre naciones, la violencia fue utilizada para reprimir la ideología comunista y dar persecución política a sus seguidores. Esta acción fue utilizada por Estados unidos y se vio reflejada en el denominada: a)Dictadura militar b)Doctrina de Seguridad nacional c)Alianza para el progreso d)Doctrina Truman

Ithink it’s letter a if i’m not wrong .

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.