Final answer:
Genghis Khan's social policies included abolishing traditional divisions, implementing a decimalized army structure, and promoting religious tolerance.
Step-by-step explanation:
Genghis Khan implemented several social policies during his reign. One of his key policies was the abolition of the traditional divisions into tribes, clans, and lineages, as well as the promotion of people based on merits rather than aristocratic titles. He also introduced a decimalized army structure, organizing soldiers into groups of ten, known as arban, and treating them as a family. Additionally, Genghis Khan adopted a policy of religious tolerance and employed people from different religious backgrounds, including Buddhists and Muslims, in his administration.