The main goal of jim crow laws was to
protect and secure rights for african americans.
limit the freedoms and rights of african americans.
stimulate the southern economy and it grow.
prevent the southern economy from growing too big.

The Jim Crow system mandated the segregation between whites and blacks in schools, libraries, parks, restrooms, buses, trains, restaurants and even drinking fountains

If u can translate that to english i will surely you!

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.