Which of the Following Is an Accurate Comparison of Mongol

Which of the following is an accurate comparison of Mongol rule and that of earlier pastoralist nomads,such as the Amorites in Mesopotamia who also conquered sedentary,urban populations?

A) Both the Mongols and the Amorites assimilated into settled societies,adopting their governance style and bureaucracy in order to pacify the conquered population.
B) The Amorites destroyed Baghdad,obliterating the city's walls and canals,while the Mongols under Genghis wanted to create a peaceful tributary relationship with urban populations.
C) Chinggis's followers wanted to destroy the entire settled population of Northern China to make room for pasturage,while the Amorites entered Mesopotamia peacefully and assimilated into the political and social norms of the existing agrarian city-states.
D) The Mongols of the Golden Horde lived apart from the settled towns in order to adhere to pastoralist cultural norms,while the Amorites moved into the towns and blended their social organization with that of the conquered city-states.