In the fifty years after the Civil War, what factors caused the most dramatic changes in American life?
Industrial growth, invention and immigration.
For over 40 years after the Civil War, American industry expanded in leaps and bounds.
Because of the heavy investment in a capitalistic society, the desire to invent and reap its rewards were great. Edison and Bell are great examples of this.
America became known as the land of opportunity around the world and people from all parts of the globe rushed to its shores hoping to take advantage of that opportunity.