The people who support restricted international trade say that ______.

A. Protection saves jobs, in both the U.S. and foreign economies

B. U.S. firms won’t be able to compete with low-wage foreign labor if trade is free

C. Outsourcing sends jobs abroad, which brings diversification and makes our economy more stable

D. Protection is needed to enable U.S. firms to produce the goods and services in which they have a comparative advantage