41 Articles by: Matt Karp

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Matt Karp is an associate professor of history at Princeton University and a Jacobin contributing editor.

The Politics of a Second Gilded Age

The mass inequality of America’s first Gilded Age thrived on identity-based partisanship, helping extinguish the fires of class rage. In 2021, we’re headed down the same path.


How Abraham Lincoln Fought the Supreme Court

It is not enough to question the decisions, the justices, or even the structure of the current court — we need to challenge, as Abraham Lincoln did, the foundation of its power to determine the law.


How the Antislavery Movement Ignited a Political Revolution

The antislavery movement of the mid-nineteenth century fused moral appeals against the sin of slavery with demands that spoke to the material interests of ordinary Northerners. Matt Karp, author of “The Mass Politics of Antislavery,” explains how that movement led to emancipation — and what lessons it offers to those trying to forge a political revolution today.

Decent, Responsible Moderates for Bernie Sanders

The United States is the only developed country in the world that does not guarantee all its citizens health insurance, family leave, childcare, and a college education. The Democratic Party elites opposing Bernie Sanders and these measures aren’t “moderates” — they’re conservatives.

Slavery Was Defeated Through Mass Politics

The overthrow of slavery in the United States wasn’t a byproduct of capitalist development nor the triumph of an enlightened activist vanguard. It was a battle waged and won in the field of democratic mass politics — a battle that holds enormous lessons for radicals today.