If Columbus and crew exposed indigenous Americans to new diseases, the reverse is also true. As in all of history and natural selection, the strong survived. Adapt or die.
And so...Ebola?
The Spanish colonization have been accused of tyrannical, here are evidence of its tyranny: «by law VI, Book III, title VI, Felipe II, in 1593, ordered: all workers will work eight hours each day, four in the morning and four in the afternoon on the fortifications and factories which is done, spread to the more convenient to get rid of the rigor of the Sun times», more or less what engineers arises, so not missing a point as possible, is also addressed to ensure their health and conservation. This law is surprising when you see that 370 years in advance, the Crown of Spain regulated work eight hours, and which today has as a conquest of civilized peoples and labor movements worldwide, in modern constitutions and in the labor code. It highlights also the aspect of social welfare, when ordered to also be attending to ensure their health and conservation.» And in case outside little, protective laws were not limited to America, in 1589 Spain prohibited slavery in the Philippine Islands.
The rest of the history
http://www.freerepublic.com/focus/news/808686/posts