Transcontinental Railroad: The transcontinental railroad was a major achievement during this period, connecting the East Coast with the West Coast through a continuous rail line across the country.
Industrialization: Railroad expansion played a crucial role in promoting industrialization by providing efficient transportation for raw materials and finished products, contributing to economic growth.
Robber Barons: Some wealthy individuals took advantage of railroad expansion to accumulate immense wealth and power, leading to debates about their practices and influence on society.