Answer: <em>Open opportunity allows people to participate in the market of their choice in the manner in which they choose. Legal equality ensures that people in each market has the same economic rights.</em>
A cultural historian would get, by interviewing unemployed people during the Great Depression, B. The names of specific people who were unemployed and D. Stories about the experience of being unemployed.
This is because such historian would be doing microhistory, gathering information and stories about people directly from the source, while the economic historian would be doing macro-history, not paying attention to individuals.
C. After Reconstruction, more blacks moved back into the South
C because the president is controlled by the peapol. Hope this helps