Chapter 18 notes Industrial development in the U.S. post Reconstruction/Industrial Revolution Many Factors affected Industrial growth in the U.S. during this period Many natural resources like lumber, coal, iron, and waterpower Abundant labor source with a large American farm population and many European immigrants. Between 1870-1880 almost 8 million immigrants arrived in the U.S. and another 15 million in the 1890s (all of this led to expanded markets and needs for goods What would get the goods to the People? Railroads -greatest contributor to American Industrial growth in the 19th century -railroads were often responsible for creating the towns that they later would serve -it brought goods to all parts of the U.S. and ended the need for a