Trade Theory, Factor Mobility, and Political Conflict -- Trade, Distribution, and Factor Mobility -- Historical Patterns in Mobility: Evidence from Six Nations -- Coalitions in Trade Politics: Parties, Peak Associations, and Groups -- Political Conflict in Six Nations Over Trade -- The United States -- Britain -- France -- Sweden -- Canada -- Australia -- Lessons from the Case Studies -- Conflict in the U.S. Congress Over Trade -- Historical Changes in Coalitions -- Quantitative Analysis of Voting on Major Trade Legislation--1824 to 1994 -- Conclusions, Qualifications, and Implications.