How did vertical integration help the Carnegie steel business?

It reduced the costs along the supply chain, from mining to transportation to manufacturing.
It gave the company a monopoly on the industry because it eventually owned its competitors.
It assigned one worker to a job, which helped reduce wasted time and speed manufacturing.
It provided quick and easy access to transportation methods, such as canals, rivers, and railways.

Question

How did vertical integration help the Carnegie steel business?  

    It reduced the costs along the supply chain, from mining to transportation to manufacturing.
    It gave the company a monopoly on the industry because it eventually owned its competitors.
    It assigned one worker to a job, which helped reduce wasted time and speed manufacturing.
    It provided quick and easy access to transportation methods, such as canals, rivers, and railways.

anonymous · Answer

"It reduced the costs along the supply chain, from mining to transportation to manufacturing."

Vertical integration is when you buy out your suppliers as opposed to competitors.
That way you get their cut instead of paying it.

Don't post these questions in math, please.

anonymous · Answer

were do I post them?
I'm new to this program

anonymous · Answer

There should be a history section.  You're in the math section.