Four types of regimes of historic importance appeared in Europe between the two world wars: pluralist democracy, social or corporatist democracy, traditional dictatorship, and fascism. The vast body of literature that has grown up around them has rarely cast these political orders as historical alternatives to each other, however. When it has done so, it. has normally cast pluralist democracy as the alternative to fascism. Most commonly, this has taken the form of contrasts between Germany and Britain, and has been accompanied by the question, why was Germany not like Britain? Yet, pluralist democracy such as appeared in Britain was actually the least relevant alternative between the wars, for the possibility of stabilizing it where it did not already exist had been foreclosed by World War I. Where liberal parties had failed to establish responsible parliamentary institutions before the war, it would prove impossible to stabilize a pluralist democracy afterward. Henceforth, stabilization would require corporatism—in either its fascist or social democratic variant—rather than pluralism.