The south improvement company in 1872 caused rockefeller able to monopolized around 90% of the oil market in North America.
The south improvement company largely increased the number of oil and railroad companies in southern states. Because of the increase in numbers, the market for oil and railroad companies became saturated. This lead many of his competitors to bankruptcy, which is why the competitors called it a conspiracy.
D. a combination of history and legend
<span>Assuming that this is referring to the same list of options that was posted before with this question, <span>the correct response would be the one having to do with the people ultimately being in charge of their government. </span></span>
