https://toistudent.timesofindia.indiatimes.com/news/culture/why-was-genghis-khan-feared/11255.html theres a good article on your question
Hey!
I believe that this question is false because they did document their scientific discoveries on papyrus.
I hope this helped!
Im not sure specifically what case you're referring to but lack of emotion in cases doesn't mean someone is guilty or unaffected. a lot of times a person is in shock or is trying to keep from being overly emotional.
It encouraged African-Americans to become politically active and racially conscious.