A completely "free market" of the type that doctrinaire liberatarians dream about is fantasy. No nation should willingly give up domestic food production just because less developed nations can raise their crops cheaper, and there must be some limits to business in the interest of the public good. Even Adam Smith wrote that unless some sort of limits are placed on the "invisible hand," power will consolidate into monopolies, causing competition, one of the cornerstones of capitalism, to whither and die.
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