lessons for public administration: historical collapse in iran

iranian civilization is one of the oldest and most influential civilizations of history, and iran as the origin of persian civilization, has been ruled by numerous states throughout history. some of them, while enjoying considerable glory and high level of economic and political power, have sometimes been declined and finally overthrown. having these points in mind, the main questions are presented as follows: 1. what are the main reasons of iranian civilizations’ collapses? 2. is it possible to prevent civilization‘s collapse in the future? it should be mentioned that various factors contribute to collapse and decline of a civilization, or its survival and life. in this study, it is attempted to reply to the study’s questions by using historical analysis method, and observing ascent and descent of iranian ancient government. ...