1. Columbus, and his crew, killed millions due to the introduction of new diseases.
Stannard, David E. “American Holocaust: the Conquest of the New World.” American Holocaust: the Conquest of the New World, Oxford University Press, 2006, pp. xii-xii.
2. Columbus threatened the natives with removal of their hands unless they gave the explorers all of their gold.
Faceless39. “The Truth About Christopher Columbus.” Owlcation, Owlcation, 8 Oct. 2016, owlcation.com/humanities/Christopher-Columbus
3. Columbus forced the natives into slavery.
Fernandez-Armesto, F. “Columbus–Hero or Villain?.” History Today, vol. 42, no. 5, May 1992, p. 4. EBSCOhost, proxy.lib.ohio-state.edu/login?url=http://search.ebscohost.com/login.aspx?direct=true&db=a9h&AN=9205183670&site=ehost-live.