Answer:
The Mongols, as the name suggests, were inhabitants of the modern state of Mongolia. An examination of the Mongol history shows that before the advent of Ghengis Khan, the Conqueror, the Mongols were sub-divided into many tribes and clans who reigned in their respective territories, having minimum shared common interests. They were nomadic herdsmen who were expert horsemen and the economy of the time was predominantly pastoral.
Explanation:
Your answer is D: Common.
Health reforms relate to someone's heath status and how they are doing