How did vertical integration help the carnegie steel business? a.) it reduced the costs along the supply chain, from mining to transportation to manufacturing

b.) it gave the company a monopoly on the industry because it eventually owned its competitors

c.) it assigned one worker to a job, which helped reduce wasted time and speed manufacturing

d.) it provided quick and easy access to transportation methods, such as canals, rivers, and railways

a.) it reduced the costs along the supply chain, from mining to transportation to manufacturing

Explanation:

Vertical integration is a business strategy by a company which owns or has significant control over its suppliers in order to control the supply chain. This helps the company to reduce cost and improve efficiency.

Vertical integration helped the carnegie steel business by reducing the costs along the supply chain, from mining to transportation to manufacturing

answer; /// i believe that the correct answer is (divison of labor);