Why Cuba and 3 other countries are on the State Sponsors of Terrorism list

On January 20, 2025, President Trump placed Cuba back on the State Department's list of State Sponsors of Terrorism just one week after the Biden administration had removed the country's designation. That puts Cuba back on a short list with just three other countries: Iran, North Korea and Syria. With a major regime transition underway in Syria following the abrupt resignation of longtime dictator Bashar al-Assad in December 2024, the country's controversial inclusion on the State Department's list may eventually be scrutinized.

Only eight countries have ever received the designation, which is distinct from the State Department's much larger list of Foreign Terrorist Organizations. How did Cuba, Iran, North Korea and Syria end up on the list and why are they still there?

A short history of a short list

The State Sponsors of Terrorism list was created in 1979 for countries that "have repeatedly provided support for acts of international terrorism," said the State Department. Designation as an State Sponsor of Terrorims carries with it prohibitions on certain kinds of commerce, including the sale of weapons and potentially dual-use items like commercial airplanes and equipment, as well as a ban on U.S. economic assistance.

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"Syria is the last country from this original list to remain so designated today," said The Atlantic Council. Its original designation in 1979 stems from the Syrian government's support for "U.S.-listed terrorist groups," including Palestinian guerrilla organizations and the decision to allow those terrorist groups "to maintain headquarters in Damascus," said the Council on Foreign Relations. Over the years, Syria's portfolio expanded to include a significant role in the arming, funding and hosting of the Iranian-backed Lebanese terrorist organization Hezbollah, which was founded after the Israeli invasion of Lebanon in 1982.

Hezbollah also played a major role in landing Iran on the State Sponsors of Terrorism list on January 23rd, 1984. The action followed five years of escalating tensions between the two countries that began when dozens of U.S. diplomats and embassy workers were held hostage in Tehran for 444 days during the Iranian revolution and culminated in the 1983 Hezbollah suicide bombing of a Marines barracks in Beirut that killed 241 U.S. military personnel. Today, Iran continues to back Hezbollah as well as "Palestinian terrorist groups in Gaza and various terrorist and militant groups in Iraq, Syria, Bahrain and elsewhere throughout the Middle East," said the State Department.

North Korea was first designated a state sponsor of terrorism in 1988. The bombing of Korean Air Flight 858 from Baghdad to Seoul, which killed all 115 people on board, was "later linked to North Korean agents" said The Washington Post. The designation was rescinded in 2008 "in the hopes of salvaging talks on its nuclear program," only to be reimposed in 2017 by President Trump, said The Atlantic. The pretext was the shocking broad-daylight assassination of North Korean leader Kim Jong Un's half-brother at the Kuala Lumpur International Airport on February 13, 2017. Analysts at the time warned that the designation would "make diplomacy more difficult without increasing Washington's leverage," said The New York Times. Despite Trump's subsequent summits with North Korean leader Kim Jong Un, the designation has not been lifted.

Cuba was initially placed on the list in 1982 for "providing advice, safe haven, communications, training and financial support to guerrilla groups and individual terrorists," said the State Department. The U.S. claimed that Cuba was aiding a number of armed insurgent groups trying to overthrow governments including in El Salvador and Guatemala, as well as providing "funding, training, arms, safe haven and advice to a wide variety of guerrilla groups, and individual terrorists" in the region, said the Congressional Research Service.

President Obama removed the designation in April 2015, only to see President Trump place Cuba back on the list with just days left in his first term. President Trump's decision to reverse the Biden administration's last-minute order to remove Cuba from the list "aligns with his administration's hardline stance on Cuba," said CBS News. But while the move was expected, the new Trump administration's "rationale for the policy reversal was not immediately explained," said Politico.

Could more places be removed?

After a country is designated as a state sponsor of terrorism, "it is hard to remove even if it does not support terrorism," said the Brookings Institution. Inclusion on the State Sponsors of Terrorism list is not permanent and can be rescinded if the country in question undergoes "a fundamental change in the leadership and policies of the government," as well as provides "assurances that it will not support acts of international terrorism in the future," said the Congressional Research Service.

Prior to President Biden's decision to remove Cuba from the list, the last time such a designation was lifted was in October 2020, when President Trump took Sudan off the list when its government agreed to "pay $335m in compensation for its alleged role in the bombing of two US embassies" in Kenya and Tanzania in 1998, said The Guardian. Sudan had allowed al-Qaeda, which perpetrated the attacks, to operate out of its territory between 1991 and 1996.