<span>A reason Jamestown settlers struggled to survive was that they lacked even the most basic farming techniques that were required to grow sustainable crops. </span>
Vertical integration, a business strategy used by steel mogul Andrew Carnegie, involves "<span>A.) merging with companies producing similar products," since this often leads to increased profits for the company that is in charge of the merger. </span>
It allowed many business' to expand without interruption from the Government.
The answer should be A, and or D? i’m not to sure.
