Original answer - The Americans with the help of the Canadians.
New answer - After the election of Ronald Reagan in November, Algeria stepped in to offer a peaceful settlement of the crisis. An agreement was reached where the fifty-two American hostages would be released in exchange for the United States promising to release billions of dollars in seized financial holdings belonging to Iran. The deal was consummated and the hostages released just minutes after Reagan's inauguration.
Algeria
The United States. If you meant which National Crisis its hard to say, he created so many of them from the Iranian Hostage Crisis to the Economic Crisis.
Iran (the hostage crisis.)
Iran. Over one-hundred Americans were taken hostage by an extremist group in Iran.
Iran
The Unfinished Nation - 2004 Crisis of Authority was released on: USA: 25 April 2005
Iran
It was soon after the Iran hostage crisis and the crash of the U.S. helicopter that tried to rescue them ordered by then President Jimmy Carter. Reagan won on a platform of national security and having a strong military (especially because of the cold war with the Soviet build-up). He played on the nations feeling of weakness after the failed rescue attempt. He gave the people what they wanted to hear. That we would become the strongest nation in the world and be respected worldwide after that embarrassing failure.
American were upset because the crisis lasted so long
The bank war and the Nullification Crisis increased sectionalism because Jackson's policies divided the nation over Bank War and the Nullification Crisis.
Alliances
Alliances