Canals: Canals are artificial waterways created by humans for transportation or irrigation purposes. They played a crucial role in early economic development by facilitating trade and connecting different regions.
Roads: Roads are paved or gravel surfaces that allow vehicles and people to travel between different locations. They are essential for transportation and commerce.
Railroads: Railroads are large networks of tracks used by trains for transporting goods and passengers over long distances efficiently. They revolutionized transportation during the Industrial Revolution.