This book assesses the role of urban ethnic groups, particularly in terms of the rise of the Democratic Party to national predominance between 1928 and 1932. It builds quantitative and qualitative models for the study of ethnic groups in terms of political behavior. Focusing clearly upon political change and the role of ethnicity, the work advances the hypothesis that Chicago's ethnic groups responded as ethnic groups, rather than on socio-economic or other bases, when they shifted their party allegiances in the late twenties. This ethnic realignment was a major factor in the...