What was the term for a chief of a mongol clan?

When conducting research for forming a hypothesis, which practice should historians follow?

How did the supreme court change as a result of ronald reagan's presidency? answers?

The devahrime system was created in order to : a. promote the expansion of sikhism in the ottoman empire b. illuminate the influence of christianity in the ottoman empire c. create trade relationships between the ottoman and mughal empires d. provide the ottoman empire with trained professional soldiers