Can some one help me with a poster of John D. Rockefeller’s oil monopoly. ?

Question: Can some one help me with a poster of John D!. Rockefeller’s oil monopoly!. !?

i need to create a poster about
John D!. Rockefeller’s oil monopoly!.

plz give me and idea and some pics of poster in internet
plzWww@QuestionHome@Com

Best Answer - Chosen by Asker:

Rockefeller at the top, obviously!. Under that would be his holding companies and trusts, under them the companies that made up the oil industry!. Rockefeller controlled every part of the industry, which enabled him to corner the market!. This is called vertical integration-make sure you include this!.Www@QuestionHome@Com