Steel+DC,SC

= The Steel Industry =

The United States becomes a World Leader in the Steel Industry.

 * the Bessmer process was the fist method for making steel cheaply and in large quantiles. it effect the steel industry by blown through molten metal because the the oxygen combine chemically with carbon and mangness And Silicon burns them out of molten metal.
 * Anrew Carnegie was one of the most Succesful businness,also most notable philanthropist or all time