Revenue. The struggle for Independence, 1763-1789 ; Trade policy for the new nation, 1789-1816 ; Sectional conflict and …-1890 ; Protectionism entrenched, 1890-1912 ; Policy reversals and drift, 1912-1928 ; The Hawley-Smoot tariff and the Great Depression, 1928 …-1932 -- Reciprocity. The New Deal and reciprocal trade agreements, 1932-1943 ; Creating a multilateral trading system, 1943-1950 ; New …