The dynastic cycle can be best described as A. An emperor declares himself the dynasty, there is blessings by the mandate of heaven, dynasty grows weak due to famine and war, the mandate of heaven declares a new emperor and establishes a new dynasty.

B. An emperor declares himself the dynasty, invasions weaken the dynasty, people begin the rebel, emperor is overthrown, another military leader declares himself the new emperor and establishes a new dynasty.

C. A family establishes a dynasty, emperors are over thrown, the conqueror becomes the new dynasty.

D. A family establishes a dynasty though the mandate of heaven, dynasty grows weak due to invasion and natural disasters, internal rebellion occurs, new dynasty emerges