Historically, Steel Manufacturers in the U

Historically, steel manufacturers in the U.S. have been involved in multiple facets of steel production. This was centered on the actual mill where steel was produced. Most large steel producers also owned the iron ore and coal mines, which are essential raw materials, and railroads needed to bring the raw materials to the mill and the finished goods to distribution centers. Steel manufactures were

A) historically integrated.
B) horizontally integrated
C) vertically integrated.
D) virtually integrated.