<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>
<span>Well, Mary Wollstonecraft was an English writer, philosopher, and advocate of women's rights. When she had her brief career, she wrote novels, treatises, a travel narrative, a history of the French Revolution, a conduct book, and a children's book as well.</span>