"<span>d// all of the above" are correct regarding the Underground Railroad. Although there were indeed several established paths, many paths had to be improvised to elude capture.</span>
Mediterranean Sea is the answer.
D._cotton farming hop that this helps
Answer:
His steel empire produced the raw materials that built the physical infrastructure of the United States. He was a catalyst in America's participation in the Industrial Revolution, as he produced the steel to make machinery and transportation possible throughout the nation