<Ul> <Li> Booi Aha </Li> <Li> Laogai </Li> </Ul> <Li> India <Ul> <Li> Debt bondage </Li> <Li> Chukri System </Li> </Ul> </Li> <Ul> <Li> Debt bondage </Li> <Li> Chukri System </Li> </Ul> <Li> Japan <Ul> <Li> comfort women </Li> </Ul> </Li>

Who controlled the supply of slaves for the transatlantic slave trade