Over the Past Decade, U.S. Steel Producers

Over the past decade, U.S. steel producers

A) have benefited from vigorous international trade
B) have dramatically raised prices while increasing employment
C) have formed a cartel -- the Organization of Steel Exporting Firms (OSEF)
D) have dramatically cut prices and invested in new equipment
E) have turned to the White House, seeking help in the form of a protective tariff.