I believe that the answer is sixty thousand people. Hope this helped :)
Accused person have the right to request a witness to APPEAR IN COURT.
The Sixth Amendment of the United States granted some rights to an accused person and these include the right of the person to know the person or group of persons who have brought accusations against him. The accused also have the right to request that his accusers should appear in court and this request must be granted by the accusers.
Answer:
After enslaved Native American laborers began to die due to exposure to disease, European powers began purchasing enslaved Africans, who became their primary labor source. Britain sent their first slave ships to the British West Indies to work on tobacco plantations and then later sugarcane plantations.