Didn't read the book but mostly Louis was brave because he risked making vaccines and testing them on others to save many more people. He made the effort to save others and did a lot of work and experiments to help advance the medical world of science.
Domesticating plants marked a major turning point for humans: the beginning of an agricultural way of life and more permanent civilizations. Humans no longer had to wander to hunt animals and gather plants for their food supplies. Agriculture—the cultivating of domestic plants—allowed fewer people to provide more food.
I think it’s the 14th amendment and extended citizenship to former slaves
Answer: Qin Shi Huang was the first emperor of unified China and ruled from 246 to 210 BC. During the 35 years of his rule, Qin was responsible for magnificent and gigantic construction projects. It has led China to enormous cultural and intellectual growth as well as much destruction.
Whether Qin Shi Huang should be remembered for his creations or for his tyranny. But everyone agrees that as the first emperor of the Qin Dynasty, he was one of the most important rulers in the history of China.
He had unified northern China. His army would continue to expand the southern boundaries of the Qin empire during his lifetime, going as far as Vietnam is today.