Which entrepreneur promoted the construction of the railroad more than any one else?

James Jerome Hill

Explanation:

James Jerome Hill was an American entrepreneur who promoted the construction of the Railroad without any help from the federal government. He became the builder of the Great Northern Railroad. In the 19th century, he was one of the railroad entrepreneurs to hold control over the Northern Pacific and the Chicago, Burlington and Quincy railroads. Hill helped to transform the Northwest of America by opening it to settlement, farming, and commercial development.  

the conditions that made the byzantine empire vulnerable to attacks by the muslin turks were the sack of constantinople by western crusaders, the conquests of the sultanate of rum, presence of rival kingdoms and finally the set up of fiefdoms at the empire which were owned by the ghazis (turkish warriors).

trade

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