Answer:
Cougars were killed to perfect humans and live stock, they were a major source of food for humans, and their habitats shrunk do to humans building houses.
Explanation:
this is from the online site: site 1-
Cougars were hunted to protect people and livestock. Rewards were offered for killing them. The cougar’s habitat shrunk as settlers cleared the forests. People also competed with cougars for deer, a major source of food.
Answer:

Explanation:

Then bring the ones with x to one side and the ones without x to the other side

Then you solve

Now you divide both sides by 3 to make x stand alone since I think you are finding x.

Welcome
Here is the answer for your question
The answer to your question is Ferderal Reserve.
A. people should study worldly subjects as well as religious matters