Which of the following correctly list the major types of work for slaves?
Domestic Servant, Skilled Trades, Field Workers
Domestic Servant, Sailor, Filed Workers
Skilled Trades, Factory Laborer, Field Worker
Skilled Trades, Traveling Carpenter, Filed Worker

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.