Catholic priests were some of the harshest critics of columbus because a. columbus claimed new lands for spain. b. columbus wanted to acquire riches. c. columbus enslaved american indians. d. columbus took funding from spanish royalty.

C.Columbus enslaved American Indians.

Explanation:

As Columbus started to discover more and more new lands on the American continent, he and his men saw the indigenous people as obstacles for the discovery and colonization, so the answer for this problem was to conquer and enslave the native americans on the continent and use them for their own benefit, building and converting them to the christian religion.

the adoption by russian princes of the mongols' diplomatic rituals