Answer: Too few workers :)
The correct answer should be A. Oligopoly
It is a state of market where the entire market is lead by a few owners of production factories or sellers. This wasn't a result of the new market structures in the late 1800s.
<span> D. goods are bartered without speaking</span>
Some of the challenges facing blacks after the war were pretty bad. I mean A: they did get saved from slavery so thats a change for the better. But in the south, segregation was enforced. A LOT. Blacks had to use MARKED areas instead of joining the whites. Blacks were blamed a lot by southern citizens for causing trouble. Blacks also had to deal with lynching (Basically hanging) from southern citizens (Mostly from the KKK). Mostly what the federal goverment did was creating a bureau named the "Freedmen's Bureau". Which its goal was to provide assistance to former slaves (Freedmen).