B. Most of the oil production is controlled by the government (In truth, most of the oil is controlled by oil companies which are owned by the government).
The answer of this question is Sherman Antitrust act
The correct answer to this open question is the following.
North Carolina’s Constitution changed in the mid-19th century to abolish slavery in the state and also allowed male suffrage.
We are talking about an important moment in the history of the state of North Carolina. The people of the state ratified the Constitution of 1868 with 93,000 votes. The Constitution expanded the power of people to elect their representatives and officers.
Prices that are being used constantly