The answer is A.
Rockefeller worked with oil, Vanderbilt did the railroads, Carnegie was leader of the American steel industry, and Astor did fur trade and invested in real estate.
The answer to your question is C. inductive reasoning
The Fourteenth Amendment defines what it means to be a US citizen and protects certain rights of the people and guarantees all citizens “equal protection of the laws.” This amendment resulted in the incorporation of the Bill of Rights.
The enforcement clause of the Fourteenth Amendment states that Congress has the authority to make laws to apply the amendment.
This amendment resulted in the incorporation of the Bill of Rights.
Answer
It could be A but I’m not certain
Explanation
Answer:
Iron products were in demand, but it wasn't until the 19th century, when technological advances drove down the cost and increased the quality of the product, that steel manufacturing became a dominant industry.
