The classical liberals whose ideas shaped America always regarded war as the greatest scourge that government could visit upon society. They abhorred the killing that war entailed, and they understood something else as well: War destroyed families, businesses, and civil society. Preventing kings from putting their subjects at risk in unnecessary wars was one of their major goals. Adam Smith argued that little else was needed to create a happy and prosperous society but “peace, easy taxes, and a tolerable administration of justice.”
The American founders, happy to be free of endless European wars, made peace and neutrality a cardinal principle of the new government. In his farewell address, George Washington told the nation: “The great rule in conduct for us, in regard to foreign nations, is in extending our commercial relations to have with them as little political connection as possible.” And Thomas Jefferson described American foreign policy in his first inaugural address this way: “Peace, commerce, and honest friendship with all nations — entangling alliances with none.”