OICC Press International Journal of Political Science 2228-6217 12 2 2022 04 01 Investigating the Effect of Modern Diplomacy on Foreign Policy based on Constructivist Theory 183 210 EN Yousef Fassihi Tehran, Iran Amir Soorizadeh Tehran, Iran Hamidreza Nazerian Tehran, Iran Journal Article 2022 04 01 Foreign policy Structuralism Public Diplomacy Modern Diplomacy