What Differentiated Rockefeller,Duke,and Carnegie from Their "Laissez-Faire" Predecessors

Multiple Choice

What differentiated Rockefeller,Duke,and Carnegie from their "laissez-faire" predecessors?

A) They developed extensive programs to train workers.
B) They utilized sophisticated methods of production.
C) They offered better compensation to their workers.
D) They involved workers in management decision making.
E) They pursued profits and self-interest above all else.