In general, history is the recorded story of the interaction between "ideas" "people" and "patterns", since it is the way in which people act and make decisions that influences their collective history.
My Answer: Most unions excluded blacks, little land ownership opportunities, and also there were no supervisory positions for black men. Black women were mostly servants. They're more examples relating to this topic, if you would like a couple more, let me know.
Hope I helped!:D
D. nut: ensured good harvests is correct