Robber barons" is used to describe many industrialists of the late 19th century mainly because they

Now, list any information that you need to gather to get ready to write your paper.  

If you know the name of the person you want to research, you might need to research information about the person’s life and contributions.  If you are not sure whom you want to write about, you might list the type of person you want to research.

Be sure to list four to five topics.