Another Reason Why Vertical Integration of Steel Producers and Shipbuilders

Multiple Choice

Another reason why vertical integration of steel producers and shipbuilders is highly unlikely is

A) The scale and continuous production of a steel plant would be huge and ill-matched to the needs of a shipbuilder.
B) They are such different businesses as to make management of both very difficult
C) Both these industries are often highly politically sensitive.
D) Both a and b above