Tóm tắt nội dung: C H A P T E R T H I R T Y - O N E Ethnic Segregation and Ghettos 31.1 INTRODUCTION For, indeed any city, however small, is in fact divided into two, one the city of the poor the other of the rich; these are at war with one another; and in either there are many smaller divisions, and you would be altogether beside the mark if you treated them as a single State.