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.
A bill becomes law if signed by the President or if not signed within 10 days and Congress is in session. If Congress adjourns before the 10 days and the President has not signed the bill then it does not become law ("Pocket Veto.")
It was a result of superior Japanese planning because it was a sneak attack on America .
The right answer for the question that is being asked and shown above is that: "D. It showed that the North and South had equal opportunities for African Americans." the Great Migration such an important part of the Progressive Era because it <span>showed that the North and South had equal opportunities for African Americans</span>
