Tariff
A tariff is a tax on imports or exports between sovereign states. It is a form of regulation of foreign trade. It is a policy that taxes foreign products to encourage or protect domestic industry. It helps limit trade deficits. The tariff is historically used to protect infant industries and to allow import substitution industrialization.
Henry George
George was opposed to tariffs, which were at the time both the major method of protectionist trade policy and an important source of federal revenue, the federal income tax having not yet been introduced. He argued that tariffs kept prices high for consumers, while failing to produce any increase in overall wages. He also believed that tariffs protected monopolistic companies from competition, thus augmenting their power. Free trade became a major issue in federal politics and his book "Protection or Free Trade" was the first book to be read entirely into the Congressional Record. It was read by five Democratic congressmen.