Answer:
The members of each clan are all related to each other through their mothers. This is called a matrilineal system. Each clan is represented by a different animal. There are nine clans, divided into animals from three earth elements: Land, Air & Water.
Explanation:
The answer to your question is:
C. Were dirty, crowded, and unhealthy.
There are 30 perfect squares
It would be the "A. Continental System" that refers to Napoleon's blockade of British goods, since this was meant to increase production and profits in mainland Europe.