Answer: B. Mongolian empire
Explanation:
The Mongolian empire at its height was so large that it is considered to be the largest land empire to ever exist. It stretched all the way from China to eastern Europe and provided for the integration of cultures of people from all over Eurasia.
Founded by Genghis Khan, the empire kept growing even after his death under his sons but eventually fragmented after some internal conflicts.
Smooth rhymes with soothe
"It demonstrates how people will live in the future" and "It helps us avoid repeating past mistakes" and "<span>It helps us understand different peoples and nations" are all correct, although the first option does not always work out very well!</span>
The second one: For thousands of years all over the world, people had enslaved other people for variety of reasons.
It was a turning point for the colonists. Despite them losing, the colonists showed the British they could stand their ground.