Which event led to the development of the West Virginia coal industry in the 20th century?

The industrial revolution was a significant driving force behind the development of the West Virginia coal industry in the 20th century. This period, which began in the late 18th century and continued into the 19th century, marked a massive shift in production methods, moving from agrarian societies to industrialized ones. The demand for coal increased dramatically during this time as it became the primary source of energy for steam engines, factories, and eventually electric power generation.

West Virginia's geography, with its abundant coal deposits, positioned the state favorably to exploit this growing demand. As industries expanded and urban centers grew, the need for coal as a fuel source intensified. By the 20th century, the presence of railroads also contributed to the transport and accessibility of coal, further fueling the industry’s growth.

The other events listed had varying impacts on the state and the nation but did not directly spur the coal industry's development to the same extent as the industrial revolution. The Great Depression brought economic challenges that affected all industries, including coal. The Civil War had significant ramifications for the region but was not a catalyst for the coal industry's rise. World War I increased demand for coal to support war efforts, but the foundational growth had already been established during the industrial