Between 1967 and 1999, the industrial structure of the U.S. experience

Between 1967 and 1999, the industrial structure of the U.S. experienced which of the following changes?

(a) The industries experiencing slow or negative growth—primary metals, transportation, mining and steel—sought protection from competition from the federal government.
(b) All major nondurable sectors experienced growth.
(c) Machinery and electronics experienced rapid growth.
(d) All of the above.

ANSWER

(d)