Post WW2. Mostly when Communism China was taking over Nationalist China. And especially that they both are Communist
As a victim of the Indian attacks, Mary Rowlandson wrote a vivid description (her short book, "A Narrative of the Captivity and Restoration of Mrs. Mary Rowlandson") of the eleven weeks and five days she spent living with the Native Americans.
The Portuguese, the Dutch, the English is the chronological order of European countries that controls the African slave trade. Slaves were used in mining and plantations. Five times as many Africans arrived in the Americas than in Europeans, as the result of this slave trade.