American Firms Became Less Competitive Compared to Foreign Firms During

American firms became less competitive compared to foreign firms during the 1980s because

A) the quality and productivity of American workers declined.
B) foreign firms were younger than American firms and as a result had more modern facilities that made use of the latest technology.
C) the U.S. dollar became worth more in terms of foreign currencies.
D) the U.S. dollar became worth less in terms of foreign currencies.