Explaining the Impact of Iranian Nuclear Program on Mutual Relations of Iran and European Union

After the victory of the Islamic revolution fundamental changes took place in foreign policy of Iran. Pursuing nuclear program was one of the sign of these developments، which created a concern in European Union and as a result led to a security challenge for Iran. The fear from Iran who possesses nuclear technology drove the green continent towards a coalition with the United States and some of Iran''s neighbor particularly the conservative Arab governments. With the turn in European Union foreign policy towards Iran، Iran also revised its policies towards her friends and the possible foes. On this basis the present article wants to examine the opportunities and limitations of relations of Iran with the European Union under the impact of nuclear program. The basic strategy of the European Union in regard to nuclear program is preventing Iran acquiring the potential to produce nuclear arms. With this objective in view the European Union makes use of different tools like sanctions، negotiations and supporting Iran''s rival. Part of this policy making of the European Union has undergone changes under the impact of Iran''s relations with China، Russia and also confrontation or interaction with the United States in medium term.