1) it helped to be able to make more merchandise
2) it made people get more money in buisnesses
Carnegie created a monopoly and he did this by investing in new technology which helped him grow his steel corporation. He went to other factories took their ideas and incorporated them into his. He also bout other companies that would help his own companies. In growing his monopoly he used vertical integration, he combined all of his companies into one large one which he named Carnegie Steel. He had the raw materials, his own manufacturing sites and steel mills and a way to transport his product. This is vertical integration, get the materials, make the steel, and ship it.
I think it is b but idk tho
Answer:
With respect to the history of American business, the sales era covered the early years of the United States up until the 1920s.