In what way did carnegie’s “gospel of wealth” challenge social darwinism?
carnegie wrote that wealthy industrialists should give handouts directly to less fortunate people.
carnegie stated that the wealthy are the fittest and therefore have an obligation to the less fortunate.
carnegie declared that the rich obtained their wealth from circumstance, not because they were fitter than the less fortunate.
carnegie promoted the idea that the rich are entitled to their wealth because they are smarter and more resourceful.

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.

Im migration prohibition.

Asimile compares 2 things using the words, like or as.