<span>For several years the Angkor or Khmer Empire was the most powerful state on the mainland Southeast Asia. (in 800's) I believe that is your answer.</span>
Answer:
As the North industrialized rapidly between 1820 and 1860, railroads helped create --and prospered from -- the rise of factory production and diversified large-scale agriculture. In the South, railroads played a marginal role in the cotton and tobacco economy.
He was born in Hodgenville, Kentucky