Equality, people had their own place in the social structure
Answer:
circulatory system
Explanation:
sugar affects your blood and the circulatory controls a lot of things
Answer: Disease (economic disruptions) Also keep in mind that bacterica, cancer, tumors etc. were not brought up till the 1980's - 2000's
Explanation: Look at my comment because it got cencored for some reason
Answer:
Yes, for example humans can make a triangle if they stack up on eachother and have good stability.
Explanation: