the railroads were important in accessing and transporting raw materials such as steel which were required by the large industries. The first industrial revolution was based more on mechanization while the second... There are significant differences between the first and second industrialization periods.
Missouri Compromise, measure worked out in 1820 between the North and the South and passed by the U.S. Congress that allowed for admission of Missouri as the 24th state. It marked the beginning of the prolonged sectional conflict over the extension of slavery that led to the American Civil War.
