There are different views concerning sanctions against Iran, these days. Some believe that sanctions would result in Iranian government abandoning its nuclear policies. Some others believe that sanctions would not change anything. Some suggest military options. Those who do not believe in sanctions or military actions, recommend political pressure of western countries on Iran. They discourage western powers of engaging in any kind of negotiations on the nuclear issues, and insist on the pressure to be concentrated on human rights issues and by the UN. To examine these views, following questions must be answered:• Why is it important for the western powers to stop Iran from reaching nuclear power?