They started in Africa then they started heading into the southern coast of Asia and Oceania, this all happened about 50,000 years ago.
Alice Walker
In 1892 she was the first African-American women to win the pulitzer Prize
B) Human knowledge had doubled every century until the 1900s.
“Knowledge Doubling Curve”, theory created by Buckminster Fuller and exposed in his book Critical Path (1982), held that until 1900 human knowledge had doubled approximately every century. And by the end of World War II, the frame time was reduced: knowledge started to double every 25 years. The pace of knowledge growth would continue increasing.
Answer:
His name was Dred Scott
He was unsuccessful in the trial.