The ones that come to my head are:
- War
- Oppression
- Religion/Beliefs
If I can think of any more, I'll be sure to add them. Good luck and stay safe!
B. Check to see that it is supported by historical evidence
Answer:
checks and balances. I believe that is what you want
Explanation:
counterbalancing influences by which an organization or system is regulated, typically those ensuring that political power is not concentrated in the hands of individuals or groups.