4) African economies became dependent on the sale of cash crops and raw materials.
City-states came first , hope thats helps :)
Countries were globalizing causing the world to change from large to medium because of it
That is not an easy answer it's hard to quantify how a place a place treated a certain person for group of people I imagine the southern colonies were tougher for African Americans but other than that I imagine that it was all close to the same
It would be B. The policy or practice of keeping blacks and whites apart.