Which of the following was the significance of the emergence of a vermacular language in medieval europe

There were several factors responsible for the rise of vernacular language with a shift from Latin.
The desire to spread Christianity, the women’s desire to take part in cultural debates and technological advances are the three important factors that made it possible for vernacular language to surpass Latin in the importance of the everyday lives of people.
The important factor for the rise of vernacular language was to make Christianity available for the broad population. Because they were most versed in studies of the bible and science, as well as vernacular language, it was usually monks who created an alphabet to translate the Latin bible into vernacular language. Once Christian readings and teachings were available in the vernacular language, it became easier to convert people to Christianity 

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.