Deficient productive capacity has not yet caused an oil crisis, but that does not mean it never will. Significant increases in world oil demand will have to be met primarily from Persian Gulf supplies. This is a region with a history of wars, illegal occupations, soups, revolutions, sabotage, terrorism, and oil embargoes. To these possibilities may be added growing Islamist movements with various antipathies to the West. If oil production were constrained, oil prices could rise abruptly along with adverse world economic repercussions. If the IEA and EIA are correct on the demand side, deficient world oil productive capacity could cause an oil crisis within 15 years and political disruptions in Saudi Arabia could cause one sooner. However, if the increases in world oil demand were more moderate, and there is long-term relative peace in the Middle East, with increasing foreign participation in upstream oil activities, a business as usual world oil demand and supply situation would be a likely scenario for much of the next century.

Report discussing the most recent political developments in Iran, including who the country offers support to and opposes. The report also makes note of U.S. policy regarding these developments, as well as the measures put in place to ensure continued peaceful relations between the two countries.

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International Atomic Energy Agency (IAEA) inspections of Iran’s nuclear program since 2003 have revealed significant undeclared activities with potential applications for nuclear weapons, including uranium enrichment facilities and plutonium separation efforts. Ever on the brink of being declared in violation of the Nuclear Nonproliferation Treaty (NPT), Iran has allowed IAEA inspectors access only when pressed. Iran agreed to suspend its enrichment and reprocessing activities in exchange for promises of assistance from Germany, France, and the UK (EU-3). Negotiations with the EU-3 are ongoing, although, on August 1, 2005, Iran told the IAEA of its plans to resume uranium conversion, regardless of what the EU-3 offer. This report will be updated as needed.

the potential threat posed by Iran, at times pursuing limited engagement directly or through allies, and at other times leaning toward pursuing efforts to change Iran’s regime. Some believe a potential international crisis is looming over Iran’s nuclear program because a U.S.-supported effort by three European nations to prevent an Iranian nuclear breakout is faltering.

This report discusses issues for Congress regarding foreign policy toward Iran. According to the Administration’s “National Security Strategy” document released on March 16, 2006, the United States “may face no greater challenge from a single country than Iran.”

This report discusses the debate over U.S. policy toward Iran, much of which has centered on the nature of the current regime. Some experts believe that Iran, a country of almost 70 million people, is a threat to U.S. interests because hardliners in Iran’s regime dominate and set a policy direction intended to challenge U.S. influence and allies in the region. President Bush, in his January 29, 2002, State of the Union message, labeled Iran part of an “axis of evil” along with Iraq and North Korea.

According to an Administration national security strategy document released on March 16, 2006, the United States "may face no greater challenge from a single country than Iran." The Bush Administration announced May 31, 2006, that it would negotiate with Iran in concert with U.S. allies. If diplomacy and sanctions do not succeed, some advocate military action against Iran's nuclear infrastructure rather than acquiescence to a nuclear-armed Iran. U.S. concerns regarding Iran include Iran's nuclear program, Iran's influence on Iraq by way of providing arms and other material assistance to Shiite Islamist militias, and Iran's human rights practices, which include strict limits on free expression and repression of ethnic and religious minorities.

International Atomic Energy Agency (IAEA) inspections since 2003 have revealed almost two decades' worth of undeclared nuclear activities in Iran, including uranium enrichment and plutonium separation efforts. The Security Council called upon Iran to take steps requested of it by the IAEA Board in February -- resuspend enrichment and reprocessing, reconsider construction of its heavy water reactor, ratify and implement the Additional Protocol, and implement transparency measures. Iran has continued enrichment activities and failed to meet the Security Council's request.

The Kurdish-inhabited region of northern Iraq is relatively peaceful and prospering economically, but the Iraqi Kurds' political autonomy and political strength in post- Saddam Iraq is causing friction with Arab leaders in Iraq, Turkey, and Iran. However, an overall reduction in violence in Iraq, coupled with continued U.S. political influence over the Kurds, is likely to prevent a destabilizing escalation of the Iraqi Kurd-Arab disputes. Also see CRS Report RL31339, Iraq: Post-Saddam Governance and Security, by Kenneth Katzman.

A 1996 amendment to the Foreign Sovereign Immunities Act (FSIA) enables American victims of international terrorist acts supported by certain States designated by the State Department as supporters of terrorism - Cuba, Iran, North Korea, Sudan, Syria, and previously Iraq and Libya - to bring suit in U.S. courts to seek monetary damages. This report, which will be updated, provides an overview of these issues and relevant legislation (H.R. 5167).

Iran is materially assisting and influencing major Shiite Muslim factions in Iraq, most of which have ideological, political, and religious ties to Tehran. Among these factions is that of hardline anti-U.S. cleric Moqtada Al Sadr, whose Mahdi Army militia, according to some observers, serves as a proxy force for Tehran against the United States.

This report discusses the reasons that Iran is considered a threat to U.S. security, including Iran's nuclear program, involvement with terrorist organizations, and involvement with neighboring countries' local governments. The report also discusses ways which the U.S. hopes to modify Iran's behavior with sanctions, and the effectiveness of these sanctions.

This report discusses the reasons that Iran is considered a threat to U.S. security, including Iran's nuclear program, involvement with terrorist organizations, and involvement with neighboring countries' local governments. The report also discusses ways which the U.S. hopes to modify Iran's behavior with sanctions, and the effectiveness of these sanctions.

This report provides a general overview of Iran's economy, addresses related U.S. policy concerns, and discusses policy options for Congress. The purpose of this report is two-fold. First, it provides insight into important macroeconomic trends, policy reforms and objectives, key economic sectors, international trade patterns, and sources of foreign exchange. Second, in the context of U.S. economic sanctions imposed for national security and foreign policy reasons, it evaluates Iran's economic structure, strengths, and vulnerabilities and discusses U.S. policy concerns.

This report discusses the reasons that Iran is considered a threat to U.S. security, including Iran's nuclear program, involvement with terrorist organizations, and involvement with neighboring countries' local governments. The report also discusses ways which the U.S. hopes to modify Iran's behavior with sanctions, and the effectiveness of these sanctions.

This report provides a brief overview of Iran's nuclear program and describes the legal basis for the actions taken by the IAEA board and the Security Council. It will be updated as events warrant.

This report discusses the recent development regarding the negotiations with Iran about its nuclear program. It provides background information on Iranian nuclear program and debates the November 24 Joint Plan of Action Elements.

This report provides background information on Iran's support to armed groups and Iranian political influence. The report discusses the relationship between Iran and Iraq.

This report focuses on the United States' relationship with Iran and how the Obama Administration is handling prior administration's economic sanctions against Iran. The Obama Administration's policy approach toward Iran has contrasted with the Bush Administration's by attempting to couple the imposition of sanctions to an active and direct U.S. effort to negotiate with Iran on the nuclear issue. That approach was not initially altered because of the Iranian dispute over its June 12, 2009, elections. However, with subsequent negotiations yielding no firm Iranian agreement to compromise, since early 2010 the Administration has focused on achieving the imposition of additional U.N., U.S., and allied country sanctions whose cumulative effect would be to compel it to accept a nuclear bargain.

This report focuses on the United States' relationship with Iran and how the Obama Administration is handling prior administrations' economic sanctions against Iran. The Obama Administration's policy approach toward Iran has contrasted with the Bush Administration's by attempting to couple the imposition of sanctions to an active and direct U.S. effort to negotiate with Iran on the nuclear issue.

This report provides background information regarding the 1979-1981 Iran Hostage Crisis, and discusses the Hostage Relief Act.

This report provides, in brief, analysis of the congressional procedural provisions laid out in the Iran Nuclear Agreement Review Act of 2015 (P.L. 114-17). The act establishes a period for Congress to review any comprehensive agreement, during which certain presidential actions to provide relief from sanctions on Iran are barred.