Which of the Following Is an Argument Typically Used in the United

Which of the following is an argument typically used in the United States to justify restrictions on free trade?

A) Without proper protection from international competition,an established industry in the United States will not be able to develop into a mature,internationally viable firm.
B) By charging higher prices in U.S.markets,foreign firms can engage in predatory pricing in their own markets to drive U.S.competitors out of business.
C) Foreign companies in countries with cheap labor can pay their workers pennies an hour and flood the U.S.market with low-cost products.
D) Some key industries require protection during peacetime to ensure they are well- established in order to prevent a national crisis from occurring in the United States.