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How Cuba Became the Nerve Center of the Anti-American Left
If you want to know where a good deal of the modern rise of socialism is coming from, look no further than 90 miles off the coast of Florida, to Cuba.
That’s certainly where American leftists have been looking for a long time.
The State Department released a thorough, and perhaps to many, startling report on Monday highlighting how the authoritarian Cuban regime founded by Fidel Castro has been a prime mover of leftist activism and violence for more than half a century and poses a significant threat to the United States.
The 100-page report, titled “Cuba: The Capital of 21st Century Communism,” explained how the seemingly small Marxist gadfly has effectively made leftist ideology its chief export, which sets it apart from other, more militarily and economically powerful regimes hostile to the United States.
The report argued that Cuba has leaned into a unique brand of Marxism, what it calls “Third Worldism,” to deconstruct Western Civilization and bring about a global communist revolution.
From this ideology sprung forth a variety of causes often associated with the American college campus New Left.
“Whereas the old Soviet left had been built around the party, labor unions, and Marxist theories of economic class struggle, the New Left was animated by Black Power, radical feminism, Third World liberation, and—above all else—the radical rejection of Western culture, history and identity in all its forms,” the report stated.
Cuba didn’t just export these ideas with papers and vibes; it provided the organization for legions of true believers across the Americas and the West to carry out its agenda.
And that’s where the bombshell aspect of the report comes in. It contends that Cuba is effectively the center of the far-Left’s global operations, and that this movement is the greatest threat to Western Civilization, as Secretary of State Marco Rubio recently said in a speech about the rise of political terrorism.
The State Department paper said that Cuba aided many if not all the largest left-wing terrorist groups.
“Delegations of American radicals traveled to Cuba to learn the tactics of urban terrorism and guerilla warfare,” the report said.
They helped more traditional political activist groups too.
The report pointed to the Venceremos Brigade, founded in the late 1960s, as one of its state-directed “political education” groups that trained political operatives in Cuba under the direction of high-level spies then released them back into the U.S.
Many members of this group became politically prominent in America. One of them is Los Angeles Mayor Karen Bass.
One of the many explosive revelations in this new State Department report is that the Venceremos Brigade—which has brought 10,000+ American left-wing activists to Cuba, including high-profile Democratic politicians like LA Mayor Karen Bass—was built and run by actual Cuban spies. https://t.co/6X7evXNifT pic.twitter.com/piW0lK2w6b— Nate Hochman (@njhochman) July 20, 2026
Cuba’s efforts to spread Marxism didn’t stop with the fall of the Berlin Wall and the Soviet Union.
Instead, its mission merely evolved to hold together what the report called an “Anti-American Internationale.”
Cuba’s Marxist organizational efforts continue.
Recall the recent junket of left-wing champagne socialists in the “Nuestra América Convoy” who descended on Cuba in March to bring “aid” to the island nation in March.
This group included, “Hasan Piker; Amazon Labor Union founder Christian Smalls; a delegation from the Democratic Socialists of America; former UK Labour Party leader Jeremy Corbyn, former Spanish deputy prime minister Pablo Iglesias; several other current and former members of European Parliament; and Isra Hirsi, campus activist and daughter of Rep. Ilhan Omar (D.-Minn.)”
The report noted that they all returned to the U.S. with consistent messaging about the “revolutionary spirit” of Cuba and the evils of American foreign policy.
And perhaps most disturbingly of all the report said that Cuba has a plan to mobilize activist organizations across the U.S., at military bases, Immigration and Customs Enforcement facilities, and elsewhere in the case of imminent military threats.
So far, the left-leaning media’s response to the State Department report has been to dismiss its claims as part of a new “red scare” and point to Cuba’s poverty as evidence that they couldn’t possibly be such a threat to the U.S.
But the authors anticipated this criticism and had a response.
“To mistake Cuba’s poverty for harmlessness is to misunderstand the threat entirely,” the report argued. “Its material weakness was never the measure of its danger. Its power was always ideological, subversive, and parasitic—and it has proven remarkably durable, outlasting the Soviet empire that helped build it and grafting itself onto every new enemy of the United States that has arisen since.”
That’s absolutely correct.
The timing of the report is interesting.
The Trump administration has aggressively pursued a strategy to break up the global “anti-American internationale” as the State Department called it.
It toppled Nicolas Maduro in socialist Venezuela, an important link in the far-Left’s economic power in the New World.
Much of Central and South America is now going sharply to the Right. One of the few remaining leftist regimes in Nicaragua even canceled the upcoming elections from fear that they would lose.
The Trump administration had an immediate response.
The Trump Administration and the international community will not stand by as the Murillo-Ortega dictatorship deepens repression at home and manufactures instability that threatens U.S. national security. Ortega’s pledge to abolish elections in Nicaragua proves his cowardice and…— Secretary Marco Rubio (@SecRubio) July 21, 2026
In many ways, the Left is globally on the run.
But in America, the Democratic Party is being absorbed by a rising tide of socialism. The Democratic Socialists of America, who were named as one of the Cuban-linked groups in the report, have grown larger and more influential than at any time in their history.
It’s no surprise that they’ve received a boost as the U.S. puts the squeeze on Cuba and global leftism.
Fun fact: DSA has been a member of the National Network on Cuba since 2019.This solidarity statement explains why DSA made Cuba activism a national priority and how that commitment grew directly out of a resolution passed at its 2019 convention. pic.twitter.com/CVxYRDvB93— Stu Smith (@thestustustudio) July 21, 2026
What should be clear from the State Department report and from recent events is that far-Left actors and their international backers in Cuba shouldn’t be underestimated.
They have lost none of their ideological fervor despite the obvious and catastrophic failures of communism over the last century.
A new generation of fanatics and useful idiots is ripe for activation. It’s up to us to recognize the threat and respond.