GMAT Sentence Correction (SC) | Re: For many revisionist historians, Christopher Columbus has

.For many revisionist historians, Christopher Columbus has come to personify devastation and enslavement in the name of progress that has decimated native peoples of the Western Hemisphere.

A. devastation and enslavement in the name of progress that has decimated native peoples of the Western Hemisphere :- D & E are compound verbs and hence needs to have a plural verb "has" here is wrong
B. devastation and enslavement in the name of progress by which native peoples of the Western
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