A synergy between iron and steel, railroads and coal developed at the beginning of the Second Industrial Revolution. Railroads allowed cheap transportation of materials and products, which in turn led to cheap rails to build more roads. Railroads also benefited from cheap coal for their steam locomotives.
Answer:
A. The burning of a U.S. Navy ship in the First Barbary War
Answer:
I believe it's b sorry if I'm wrong
1.3 million served, 50,000 died