a)Explain ONE specific similarity between state systems in the Americas from 1200 to 1450. Use the maps and your reading to support your answer. b)Explain ONE specific difference between state systems in the Americas from 1200 to 1450. Use the maps and your reading to support your answer. c)Explain ONE reason state systems in the Americas from 1200 to 1450 developed differently. Use the maps and your reading to support your answer.

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.

Ihave no idea but for the points!