USA HISTORY

Detailed explanation-1: -The first North American “gravity road, ” as it was called, was erected in 1764 for military purposes at the Niagara portage in Lewiston, New York.

Detailed explanation-2: -1827: The first railroad in North America-the Baltimore & Ohio-is chartered by Baltimore merchants.

Detailed explanation-3: -The first public railway in the world was the Lake Lock Rail Road, a narrow gauge railway built near Wakefield in West Yorkshire, England. The first use of steam locomotives was in Great Britain.

Detailed explanation-4: -Just as it opened the markets of the west coast and Asia to the east, it brought products of eastern industry to the growing populace beyond the Mississippi. The railroad ensured a production boom, as industry mined the vast resources of the middle and western continent for use in production.