1. The expansion of railroads connected people and goods across the United States, making transportation faster and more efficient.
2. The construction of railroads stimulated economic growth by linking previously isolated regions and creating new markets for goods.
3. Railroad companies dominated the transportation industry and used their power to influence government policies and prices.
4. The construction of railroads often resulted in the displacement and mistreatment of Native American communities and labor exploitation of immigrant workers.
5. The increasing size and power of railroad companies led to anti-monopoly movements and government regulations in the early 20th century.
