Which of the following is true of nationalism in latin america during the 19th century?

a. nationalism in latin america declined during the revolutionary movements of simón bolívar.
b. geography aided the development of national unity.
c. by the mid-19th century, latin american nations experienced a massive decline in national unity and economic prosperity.
d. internal factions and fragmentations made national unity difficult in latin american countries.

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.