He was acting on the manifest destiny.
The Mongols had a benevolent attitude toward foreign religions, or at least a policy of benign neglect. Their belief in Shamanism notwithstanding, the Mongols determined early on that aggressive imposition of their native religion on their subjects would be counter-productive.
When Europeans began the colonization of Central and South America, they began producing agricultural products such as sugar, molasses, and cassava. When this economic activity grew the Europeans began relying on primarily slave labor. The best answer choice for this question is B.
