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
B. devastation and enslavement in the name of progress by which native peoples of the
Western Hemisphere decimated
C. devastating and enslaving in the name of progress those native peoples of the Western
Hemisphere which in the name of progress are decimated
D. devastating and enslaving those native peoples of the western Hemisphere which in
the name of progress are decimated
E. the devastation and enslavement in the name of progress that have decimated the
native peoples of the Western Hemisphere

OA A

Isn't the use of "has" wrong in A.