Im pretty sure that was a direct democracy?
You ask a question that you don't regarding school subjects and others who come across your question and know how to answer will help you and reply
Answer: B) Cornelius Vanderbilt and the $1 million endowment he gave to Vanderbilt University.
"Robber barons" were powerful businessmen of the 19th-century United States who made their fortunes through dubious practices. Some of these morally questionable strategies are monopolies, the formation of trusts, exploitation of workers, etc. Cornelius Vanderbilt is an example of this type of industrialist. Moreover, a donation to Vanderbilt University is likely to be seen by most people as a "philanthropic" or charitable act.
The answer should be racial segregation laws which in doctrine saying
"separate but equal"
Your answer should be segregation. I hope this helps!