Geopolitical rivalries of regional and supra-regional powers in Iraq and its impact on Iran's national security

The main purpose of this study is to explain the geopolitical rivalries of regional and supra-regional powers in Iraq and its impact on national security. The main question of the present study is what were the challenges of Iran's national security in Iraq after the fall of Saddam Hussein in 2003-2019? The research method is mixed in terms of type (two qualitative and quantitative phases). The quality part is based on multi-stage coding. A small part will be applied in terms of descriptive survey type in terms of purpose. The statistical community will include experts and thinkers active in the field of political science and international relations. A statistical sample of 371 political science professors and students of political science and international relations will be selected by simple random sampling. Research tools include interview methods (transcripts), Delphi method and questionnaire. For the validity of the research tool, experts in political science and international relations will first be consulted to evaluate the content and form. The reliability of the questionnaire will be evaluated through Cronbach's alpha in the preliminary stage (guide study) and final. Finally, the structure of the questionnaire and the structure of the research will be factor analysis