What Socialism Has Been: Learning from historical experiments.
Socialism's failures teach us as much as its successes about what works and what doesn't.

Book summary
by Bhaskar Sunkara
The Case for Radical Politics in an Age of Extreme Inequality
A strategic overview of socialism for the 21st century with practical steps.
Topics
Read the historical overview sections to anchor your arguments about what socialism has actually produced, then focus on the four-part roadmap at the end to map out the next ten policy wins for the city and the nation. Use Readever's AI to connect Sunkara's strategic insights to your local organizing context and track your progress toward building durable socialist institutions.
Things to know before reading
Sunkara lays out historical lessons and pragmatic pathways so modern socialists can build public guarantees while managing power. The book combines a sweeping historical overview with a concrete roadmap for achieving socialism through democratic means, showing how to translate radical ideas into practical political strategy.
*The Socialist Manifesto* provides both a historical overview of socialist experiments and a strategic roadmap for building socialism through democratic means in the 21st century.
Socialism's failures teach us as much as its successes about what works and what doesn't.
Socialism means extending democracy from politics to the economy—giving people control over their workplaces and communities.
Building socialism requires both electoral politics and mass movements working together.
The goal isn't to capture the existing state but to transform it into a tool for working-class power.
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This summary gives you the complete strategic framework for advancing socialist politics in the 21st century. You'll learn how to bridge the gap between radical theory and practical politics, build durable working-class institutions, and navigate the transition from capitalism to socialism through democratic processes. The book provides both historical context and actionable strategies for organizers, activists, and anyone serious about building working-class power.
Key idea 1
Socialism's failures teach us as much as its successes about what works and what doesn't.
Sunkara provides a comprehensive overview of socialist experiments throughout history, from the Paris Commune to the Soviet Union, from Scandinavian social democracy to Latin American left movements. He analyzes both the successes and failures of these experiments, drawing lessons about what aspects of socialism have worked and what has failed.
Rather than defending every historical example, Sunkara argues that we should learn from both the achievements and mistakes of past socialist movements. He emphasizes that democratic socialism requires both political democracy and economic democracy working together, and that authoritarian shortcuts ultimately undermine socialist goals.
Remember
Key idea 2
Socialism means extending democracy from politics to the economy—giving people control over their workplaces and communities.
Sunkara presents a compelling vision of what democratic socialism could look like in practice. He describes a society where workplaces are democratically controlled by workers, where essential services are publicly owned and democratically managed, and where economic planning serves human needs rather than profit.
The book uses concrete examples to show how democratic socialism could work, from worker cooperatives and public banks to community land trusts and social wealth funds. Sunkara emphasizes that socialism isn't a single blueprint but a set of principles that can be adapted to different contexts through democratic processes.
Remember
Key idea 3
Building socialism requires both electoral politics and mass movements working together.
Sunkara provides a detailed strategic roadmap for how to achieve socialism through democratic means. He argues that socialists need to work on multiple fronts simultaneously: building working-class organizations, running for office, winning policy reforms, and creating alternative institutions.
The book emphasizes the importance of building durable institutions that can outlast electoral cycles and withstand capitalist opposition. Sunkara argues that socialists need to think strategically about how to build power gradually while maintaining their radical vision, navigating the tension between immediate reforms and long-term transformation.
Remember
Key idea 4
The goal isn't to capture the existing state but to transform it into a tool for working-class power.
Sunkara addresses one of the most challenging questions for socialists: what to do with the state. He argues that socialists shouldn't simply try to capture the existing capitalist state but should work to transform it into a democratic instrument of working-class power.
The book explores how socialists can use state power to advance socialist goals while building alternative institutions that prefigure a socialist society. Sunkara emphasizes the importance of democratic accountability and popular participation in any socialist use of state power, warning against the dangers of bureaucracy and authoritarianism.
Remember
The Socialist Manifesto is both a historical overview of socialist experiments and a strategic roadmap for building socialism through democratic means in the 21st century. Bhaskar Sunkara, founder of Jacobin magazine, combines deep historical knowledge with practical political strategy to show how socialists can build power and achieve their goals in contemporary capitalist societies.
The book takes readers on a journey through the history of socialism, from its origins in the 19th century to its various manifestations in the 20th and 21st centuries. Sunkara analyzes both the successes and failures of socialist experiments, drawing lessons about what works and what doesn't in the struggle for a more democratic and egalitarian society.
More than just a history, The Socialist Manifesto provides a concrete strategic framework for how to build socialism today. Sunkara argues that socialists need to work on multiple fronts simultaneously: building working-class organizations, running for office, winning policy reforms, and creating alternative institutions that prefigure a socialist society.
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Sunkara's writing is clear, accessible, and strategically sophisticated. He combines deep historical knowledge with practical political insight, making complex strategic questions understandable without oversimplifying them. The book stands out for its balanced approach—taking socialist ideas seriously while acknowledging the challenges and failures of past socialist experiments.
Critical Reception: The Socialist Manifesto has been widely praised for its strategic clarity and historical depth. Reviewers have noted that it fills an important gap in socialist literature by providing both a comprehensive historical overview and a practical strategic framework. The book has been particularly praised for its realistic assessment of the challenges facing socialists and its thoughtful approach to building power through democratic means.
Activists and organizers looking for strategic guidance
Political candidates and elected officials interested in socialist politics
Students and scholars of political theory and socialist history
Anyone curious about how socialism could be achieved through democratic means
People interested in the relationship between theory and practice in radical politics
Bhaskar Sunkara is the founding editor and publisher of Jacobin, one of the most influential socialist magazines in the United States. Born in 1989, he launched Jacobin as an undergraduate at George Washington University in 2010. Under his leadership, Jacobin has grown into an international media organization with editions in multiple countries and a growing book imprint.
Sunkara has become one of the most prominent voices of the contemporary democratic socialist movement. His writing has appeared in The New York Times, The Guardian, The Washington Post, and many other publications. In addition to The Socialist Manifesto, he is the author of The ABCs of Socialism, a graphic introduction to socialist ideas.
Sunkara's work focuses on making socialist ideas accessible to new audiences and building the intellectual and organizational foundations for a renewed socialist movement. He emphasizes the importance of both theoretical clarity and practical organizing in building working-class power and achieving socialist transformation through democratic means.

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The Socialist Manifesto succeeds in its ambitious goal of providing both a historical overview of socialist experiments and a strategic roadmap for building socialism through democratic means. Sunkara combines deep historical knowledge with practical political wisdom, offering a balanced assessment of what has worked and what hasn't in the struggle for socialism.
The book's lasting value lies in its strategic sophistication and its realistic approach to building working-class power. Rather than offering utopian visions or defensive justifications, Sunkara provides a clear-eyed assessment of the challenges facing socialists and a practical framework for overcoming them through democratic organizing and institution-building.
This extended outline provides additional depth for readers who want to explore the strategic framework, historical context, and practical applications of Sunkara's socialist manifesto beyond the introductory level presented in the main text.

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