Historical explanations need to keep step with the march of research if they are not to degenerate into empty cliches. It has long been a commonplace of 17th century history that the Anglo-Dutch Wars were the product of 'commercial rivalry'. This essay, first published twenty years ago, attempted to analyse and redefine this overworked traditional concept so as to explain more precisely how it led to naval wars between the Dutch and the English. Two idees fixes of contemporary English thought seemed especially significant; one was the persistent consciousness of English inferiority and...