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Iranian President Hassan Rouhani and Gen. Mohammad Hossein Bagheri during an army parade in Tehran. Iranian President Hassan Rouhani, right, listens to Chief of the General Staff of the Armed Forces Gen. Mohammad Hossein Bagheri during an army parade just outside Tehran, Iran, April 18, 2019 (Office of the Iranian Presidency photo via AP Images).

What Comes Next in the Standoff Between the U.S. and Iran?

Wednesday, May 19, 2021

President Joe Biden entered office promising to return the U.S. to the Iran nuclear deal, formally known as the Joint Comprehensive Plan of Action, or JCPOA. But doing so is already proving tricky for Biden’s administration, in part because of the complex politics surrounding the deal in both Washington and Tehran, but also because of the tense relations between the two countries, which soured significantly under Biden’s predecessor, Donald Trump.

In May 2018, when Trump followed through on a campaign promise to withdraw the U.S. from the 2015 multilateral deal limiting Iran’s uranium enrichment program, Tehran initially reacted by adopting a posture of strategic patience. But after European attempts to keep the deal afloat failed to deliver any respite from the U.S. campaign of “maximum pressure,” and amid increasingly bellicose rhetoric out of Washington, Iran shifted gears.

Beginning in early 2019, Iran gradually announced a series of what it called reversible breaches of its obligations under the nuclear deal, exceeding limits on its stockpile of enriched uranium and the level to which it is enriched. More recently, Iran suspended its Additional Protocol with the International Atomic Energy Agency, a side-agreement that provided the nuclear watchdog’s inspectors with even more robust mechanisms to monitor every stage of Iran’s nuclear program than the agency’s standard oversight agreement.

Parallel to these moves to pressure the Trump administration over the nuclear deal, Iran began to dramatically ratchet up military tensions with the U.S. beginning in mid-2019. Following a series of attacks on oil tankers in the Gulf of Oman that Washington blamed on Tehran, Iranian forces shot down a pilotless U.S. drone they claimed was operating in Iran’s airspace. Later that year, the U.S. and Saudi Arabia accused Iran of being responsible for a drone and cruise missile attack on Saudi oil facilities.

Against that backdrop of heightened tensions, things came to a head in early January 2020. After a series of violent incidents in Iraq pitting Iranian-backed Shiite militias against U.S. forces, Trump authorized a drone strike that killed Iran’s top military leader, Gen. Qassem Soleimani, as he arrived in Baghdad. Both sides subsequently backed away from escalation, but without fundamentally addressing their differences.

The U.S. sanctions that Trump reimposed on trade with Iran forced governments and companies from Europe to Asia to end their economic engagement with Tehran, with a particularly severe impact on Iran’s oil exports. The resulting domestic economic tailspin has heightened social and political tensions within Iran. But rather than moderating the regime’s behavior, the heightened pressure from Washington seems to have strengthened the hand of hardliners in Tehran, who emerged as the big winners from parliamentary elections in February 2020.

Supporters of the Iran nuclear deal in Washington and Europe hoped that the Biden administration would quickly return the U.S. to compliance with the agreement by removing unilateral sanctions, while also pursuing follow-on talks to address Iran’s missile program and regional behavior. But negotiations in Vienna to resuscitate the JCPOA have proven to be more difficult than anticipated, even as opponents of the deal in the U.S. and Iran—but also Israel, which has been engaged in what amounts to a low-level covert war with Iran over the past year—consider their options. And the outcome of Iran’s presidential election in June, which most observers expect will be won by a conservative hard-liner, could present further obstacles to progress.

The deterioration in U.S.-Iran relations takes place against the backdrop of a battle for regional influence between Iran and Saudi Arabia, including proxy wars in Yemen and Syria, as well as strategic competition in Lebanon and more recently Iraq. Both countries have recently acknowledged they’ve been engaged in exploratory talks to ratchet down tensions. In the meantime, the Iranian population is increasingly caught between the pressure of U.S. sanctions and the repression of an authoritarian regime in Tehran that remains intent on projecting its power and influence across the region, no matter the cost at home.

WPR has covered Iran in detail and continues to examine key questions about what will happen next. What’s in store for U.S.-Iran relations under Biden? Will Iran strengthen its ties with Russia and China to counter American actions, and what role will Europe play? Will outside pressure, combined with the impact of the pandemic, undermine the regime’s domestic control? Below are some of the highlights of WPR’s coverage.

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U.S.-Iran Relations

Biden has been clear about his objectives in engaging with Tehran: to return to compliance with the JCPOA’s restrictions on Iran’s nuclear program, as well as to seek limits on Iran’s missile program and changes in its regional behavior. But so far progress on reviving the JCPOA has been slow, and even if it is resuscitated, Iran has given no indication it is willing to engage on the other files.

The Regional Picture

Iran’s rivalry with Saudi Arabia has actually been more devastating in recent years than the mounting tensions with Washington. The competition between the two Middle East rivals has fueled proxy wars in Syria and Yemen, leading to humanitarian crises in both countries. Both sides have now opted for diplomatic engagement in the hopes of averting further confrontations. But that still leaves the covert conflict between Iran and Israel, with the associated risks of miscalculation and unintended fallout leading to escalation and open hostilities.

Domestic Politics

Iran, under Supreme Leader Ayatollah Ali Khamenei, projected unity in the face of the Trump administration’s saber-rattling, but that is far from the reality on the ground. U.S. provocation may be strengthening hard-liners within the regime, but parts of the Iranian population are frustrated by ongoing domestic repression and the economic privation caused by the reimposed U.S. sanctions. And the government’s botched handling of the Covid-19 outbreak has done nothing to restore its credibility in the eyes of the Iranian population.


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At the outset of the Biden presidency, we are covering how myriad aspects of U.S. foreign policy are changing under the new administration. While Biden will undoubtedly repudiate Trump’s approach, which was itself a radical break from U.S. foreign policy traditions, it’s unclear whether a restoration of the United States global role is even possible. What immediate challenges will the Biden administration confront? And how will he successfully pivot policy in key areas? This report is just a sampling of our coverage so far of U.S. foreign policy under Biden. Download your FREE copy of U.S. Foreign Policy Under Biden to learn more today.

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As the Biden administration takes over, the world is experiencing a sort of whiplash, as the United States performs a second about-face in its posture toward multilateralism in only four years. Although the U.S. has oscillated through cycles of internationalism and isolationism before, it has never executed such a swift and dramatic double-reverse. The Biden administration will repudiate the “America First” platform on which Donald Trump won the White House in 2016, and the hyper-nationalist, unilateralist and sovereigntist mindset that undergirds it. Such a stunning shift in America’s global orientation would have major implications for global cooperation on everything from climate change, health and nuclear proliferation to trade and human rights, as well as for U.S. relations with its Western allies.

The stage is set, in other words, for a massive reorientation in U.S. foreign policy. It remains to be seen if Trumpism will remain a potent political force, shaping Republican attitudes around foreign policy for years to come.

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Editor’s note: This article was originally published in July 2019 and is regularly updated.

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