In addition to industrialization other forces that impacted the growth of the nation were

Factors  that  forced   the  growth   of  the  nation  was
1. Availability  of  enough capital
2. Presence  of talented  entrepreneur who  opened business  opportunities
3.Abundant  labor  supply
4.Growth  of  the  population  which   create pressure  to  limited natural  resources.
5. Friendly  government  policies  which  favor   thing  like   business  establishment.

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.