which best describes the impact of railroad expansion on the steel industry?\nit did not affect the demand…

which best describes the impact of railroad expansion on the steel industry?\nit did not affect the demand for steel at all.\nit decreased the demand for steel since railroad tracks were built from wood.\nit increased the demand for steel since steel was used to make railcars and tracks.\nit decreased the demand for steel since the railroad was generally not used to transport steel.

which best describes the impact of railroad expansion on the steel industry?\nit did not affect the demand for steel at all.\nit decreased the demand for steel since railroad tracks were built from wood.\nit increased the demand for steel since steel was used to make railcars and tracks.\nit decreased the demand for steel since the railroad was generally not used to transport steel.

Answer

Answer:

It increased the demand for steel since steel was used to make railcars and tracks.

Brief Explanations:

Steel is a key material for rail - cars and tracks. Railroad expansion means more construction, thus higher steel demand.