In the 1960s and 1970s, Why Were Domestic Firms at a Disadvantage

In the 1960s and 1970s, why were domestic firms at a disadvantage when compared to firms in emerging nations?

A) U.S. firms were more profitable than foreign companies during this time period..
B) Laws restricted the exportation of goods while allowing unprecedented importation of foreign goods.
C) The U.S. policy was to help and support foreign economies because it was believed that "Yankee" ingenuity and the free market of the states would by itself encourage growth.
D) The war on drugs was at its peak worldwide.