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 ::Reasons that your material cannot be included in its current form:  
 :::1. The viewpoint that you try to express is not really controversial: almost all scholars acknowledge that atrocities and violence against the indigenous populations of the americas has played an important part in the depopulation of the early colonial period - if not because of the large numbers of murdered people at least because of the pervasive cruelty with which it was often carried out, however it is fairly well established that when it comes to numbers the biggest killer was not the colonists but germs. I do believe that you misrepresent your sources when you cite them for saying that ""violence was the main cause"". I don't believe they have any substantiated numbers that they can compare between the two causes but that the importance they ascribe to the violence is ideologically rather than numerically motivated. Whereas the spaniards didn't carry germs on purpose they did commit atrocities on purpose - hence the greater importance. At leats when viewed from the left wing, indigenist viewpoint which your sources both hold.  
 :::2. This leads us to the second point: The sources are not reliable. Both Azcuy Ameghino and Galeano are indigenist debate-book authors and can not generally be seen as notable scholars of indigenous prehistory. Azcuy is an economist and sociologist - Galeano is not even a scholar but a journalist and novelist. Both are representatives of the 1970'es indigenist movement and I doubt that the cited works are up oto date with modern historical scholarship - it very miuch looks like they are still theoreticcally stuck in the 1970'es. Such an important section needs MUCH better sources, and there are much better sources to this subject. See: WP:RELIABILITY for clues as how to judge whether a source is reliable or not. 
 :::3. The third but probably most important reason that we canot include any of the material you have written is this: Your English is not very good. Parts of your text are near unintelligible. It is not so much the spelling which has only minor flaws, as it is the bad grammar, the many malformed sentences and the lacking coherence. 
 ::In short. It is possible that we should include a section about the controversies about whether the population plummet of the Americas should be considered genocide or not, this is a debate which has ample literature and which deserves to be in the article. However it cannot be in the version you have now inserted enough times to get you banned for revertwarring."