After the civil war, there was a massive influx of immigration to join the industrialization in the United States
Agriculture was also becoming less prominent in the United States and began to to move towards what is known as the Industrial Revolution
The Industrial Revolution lead to a big change of life for Americans as machinery improved the speed of transportation and manufacturing.
The industrial revolution and the increasing population in the United States lead to Urbanization where cities had grown tremendously. Cities were not only bigger but taller with multiple story buildings replacing smaller one-story houses to accommodate the size of the population.