Before the slave trade, African culture was agricultural and advanced. The African slave trade started when the leaders of European countries wanted to find new land. Slavery started for many reasons like money, greed, and high demand for labor.
Answer:
Labor unions did not allow Chinese immigrants to become members. Labor unions helped Chinese immigrants find jobs in mills and factories. Labor unions asked companies to pay Chinese immigrants low wages.
I hope this helps :)
A . is the correct answer
