Based on the history of Rockefeller, the correct order of placement of events are:
- A. Rockefeller engaged in various tactics to obtain ownership of almost all of the pipelines in the US
- B. Rockefeller strong-armed smaller refineries into selling out to him
- C. Rockefeller moved Standard Oil from Cleveland to New York City and formed a "trust"
- D. Competitors in the market were eliminated by dropping prices to drive competitor out of business
- E. Rockefeller arranged discounted shipping rates from railroads
In conclusion, we can conclude that the correct placement of events are as given above.
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