Explanation: The best-known pastoral and hunter gatherer tribe in history were the Mongols.

• They inhabited the grasslands (steppes) of Central Asia and the forested areas further north.
• By 1206 Genghis Khan had united the Mongol and Turkish tribes into a powerful military force.
• At the time of his death (1227) he was the ruler of extensive territories. His successors created a vast empire.
• At different points of time, it included parts of Russia, Eastern Europe and also China and much of West Asia.
• The Mongols had well-organized military and administrative systems. These were based on the support of different ethnic and religious groups.

Source: NCERT