hat led to the rapid growth of the railroad industry in the United States in the second half of the nineteenth century?(1 point) Responses the development of the creosote wood-treatment process the development of the creosote wood-treatment process the discovery of oil in the American Southwest the discovery of oil in the American Southwest the discovery of coal deposits in West Virginia the discovery of coal deposits in West Virginia the development of the Bessemer steel-making process

Answer 1

The development of the Bessemer steel-making process led to the rapid growth of the railroad industry in the United States in the second half of the nineteenth century.