Mohammed unquestionably purified Judaism and in particular Christianity. Allah was a truly universal God, with no chosen people, no feelings about race …. Likewise, Mohammed purified the worship of the One God.

— Herbert J. Muller, The Loom of History

This author most likely agrees that Islam –

A- had a greater economic impact on Europe than it did on Asia and Africa

B- was similar to the Roman Catholic Church in its reliance on priests and clergy

C- was able to expand because of beliefs shared with other pre-existing religions

D- celebrated Mohammed’s beliefs to encourage the growth of slavery in Africa