How does a dynasty or ruling family gain and lose power in China?

In China, a dynasty would remain in power only as long as it was providing good government. When a dynasty went into decline, and began to abuse its power, it was said to lose the Mandate of Heaven, or the favor of the gods. A strong leader would usually emerge to claim the Mandate, and establish a new dynasty.

Explanation:

he was sent to prison on various charges for protesting south africa's policies of apartheid

answer; people where able to travel across the u.s.a faster than any other mode of transportation,travel time was about a week,from coast to coast