Which of the Following Statistics Confirm the Rise in De-Integration

Multiple Choice

Which of the following statistics confirm the rise in de-integration in the U.S.post 1970s?

A) The average number of industrial sectors a firm operated in increased substantially in 1997.
B) Employment in the business services industry that supplied contract employees grew by almost five times as much as non-farm employment.
C) Between 1977 and 1999, imports of the U.S.firms from foreign affiliates as a percentage of total imports increased substantially.
D) Between 1977 and 1999, imports of the U.S.firms from unrelated suppliers as a percentage of total imports declined.