I believe the answer is A, Pollution of the environment, hope this helps :)
From at least 1766BCE to the twentieth century of the Common Era, China was ruled by dynasties. A dynasty is a family that passes control from one generation to the next. A dynasty does not have to last for a long
time. One Chinese
dynasty lasted
more than 800
years while
another lasted
only fifteen years.
<span>D. The judicial branch was less powerful than the executive and legislative branches</span>