I think maybe Christianity maybe not sure tho I didn’t really get the question
These slaves were in Africa first started trading to other countries in the 1620 when 11 slaves went to new Amsterdam. By the early 1800s the America’s stared to buy into the slave trade for crop growth and a cheaper way to make your money in the economy
Answer:
In 2002, North Korea announced that it was changing to a free market economy ( last choice).