Before the Mongolian invasions, armies were intimidated when they faced an army larger in than themselves. Why did the people in neighboring regions learn to fear Genghis Khan's relatively small armies? Select one:
a. The Mongolian army used cart-like wagons to carry huge lethal cannons into battle.
b. Mongolian warriors used loud battle cries to scare their enemies' horses.
c. Mongolian invaders traveled extremely quickly and were very highly trained and disciplined.
d. They knew that the Mongolian army had blood thirsty leaders who enjoyed a good massacre.

Mongolian invaders traveled extremely quickly and were highly trained and disciplined.

The Mongol Empire was the largest land based empire in human history. They conquered northern China and called it the Yuan Dynasty, invaded Persia, and large parts in Russia. The Mongols were able to do this because they had a very good military, just what Genghis Khan wanted. Their military showed great loyalty towards one another. Anyone who wanted to turn their back on them would be executed. They were highly disciplined and travelled very quickly to conquer so many lands lands.