Compare the emergence of advanced civilizations in Meso and South America with the four early river valley civilizations. By introducing Hinduism to the Indus River valley, the Aryans played a similar role to whom in the Mayan civilization? (10 point) a. the Toltecs, who introduced Christianity

b the Dravidians, who introduced Buddhism

c the Spanish conquistadors, who introduced Buddhism

d the Spanish conquistadors, who introduced Christianity