Abstract: | This article examines the conflict between the American Congress and Presidency in US trade embargo policy during the Truman and Reagan years. After reviewing two cases of legislative‐executive confrontation over trade embargoes against the Soviet Union in the late‐1940s and early‐1950s and South Africa in the 1980s, it concludes that Congress has been successful in modifying presidential policy‐making that it believes does not serve the national interest. This is due to its powerful position in the American political process as the initiator of legislation. Its law making powers have allowed it to review executive foreign policy decisions forcing the Presidency to change its approach to particular policy concerns. |