I don't think they do but I could be wrong
Answer:
from what I understand it should be (b) seems more like it's to protect the statement
America first town planner was:
A. William Penn
<span>Rockefeller used the size of his company Standard Oil to negotiate preferential rates with railroad companies to transfer his oil in the refinement process. By gaining the upper hand in transportation costs, he was able to horizontally integrate his competitors into his firm working to establish a monopoly in the American oil industry. </span>
