Change and Continuity in Foreign Policy of Brazil towards Islamic Republic of Iran

Change and contiuity in foreign policy of Brazil towards Islamic Republic of Iran the nuclear issuer of Iran not only attracted the attention of big powers but it also attracted the attention of middle powers in international system and each of these powers tried to enter the issue to slove their own problems and get infleunce in internatinal realtions. one of these countries is Brazil which in a short period of time enterned the nuclear issue of Iran and took certain measuers in this direction. the present articel examines the foreign policy behavior of Braizil within the framework of its national interest.Is also wants to know why Brazil which is from a different geographical region wants to enter the nuclear issue of Iran. the articel wants to examine the causes of Brazil behavior towards Islamic Republci of Iran.it also wants to know the pattern of behavior of middle powers about the important international issues.