Mir-Hossein Mousavi believe was responsible for a fair distribution of goods among the people throughout the Iran–Iraq War. Many analysts praise his handling of Iran's economy, his civil and economic leadership during the Iran–Iraq War, and his efforts to end Iran's international isolation. Others remember him as being "unpredictable" and less able to navigate Iran's labyrinthine political system than were his rivals. In 1986, Mousavi played a great role in the Iran–Contra affair and secret negotiations and dealing with USA on helping them free the American hostages in Lebanon, in return for sale of the American weapons and spare-parts that Iran's army
Mir-Hossein Mousavi as well as the conservative newspaper "Jomhouri-e Eslami", supported Mousavi's candidacy, he did not receive the official backing of any major conservative party. His candidacy made it harder for the conservatives to support Mahmoud Ahmadinejad, and large conservative parties, such as the Combatant Clergy Association, did not back the current President for a second term of office. Mousavi had on numerous occasions indicated his wish to change the constitution in order to remove the existing ban on the private ownership of television stations (currently all Iranian television stations are state-owned), as well as transfer the control of the law-enforcement forces