One of the strengths of Islam which made it a successful universalizing religion similar to Christianity was its
(A) use of a common language, Arabic, to unite all members.
(B) insistence that there was only one God.
(C) support for merchants and commercial values.
(D) egalitarianism that transcended previous loyalties, ethnicities, or allegiances.
(E) condemnation of violence as incompatible with faith.
Answer: D