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The nuclear program of Iran has been fraught with controversies and it has faced several economic sanctions over the years. These controversies emerged and grew stronger with Iran refusing to provide the international experts access to controversial sites like Natanz where it is assumed that illegal activities relating to uranium enrichment are taking place. Iran assumes an important position in the region. However, it shares ideological and political differences with its neighboring Sunni majority Arab states. Iran considers United States and Israel as its main adversaries and, historically, there have been several exchanges of threats of war to each other. With these threats it is implied that Iran wants to develop nuclear weapons for; firstly, to have hegemonic position in the region; secondly, to make the threat to US and Israel more credible; and lastly, to have a greater say in the world affairs. Iran’s nuclear program has been a source of concern for its regional countries and Pakistan also, being a neighboring country. The relations between them may get complicated; however, the differences between Iran and Pakistan are not huge enough to result in the hot conflict.