It reinforced segregation and discrimination
I believe the answer is Observations.
Mayan civilizations made architectural designs to use time and days.
I hope this helps!
Karl Marx once said; "I am not a Marxist!". He also once called his adherents "useful idiots". Karl Marx presented a strategy in communism much of which can be found in his book, Das Kapital.
I hope I was able to help <3
American Industrial Revolution
