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Left-wing politics - Wikipedia
Left | Definition & Facts | Britannica
American Left - Wikipedia
The Making of the New Left | The New Yorker
Why Leftists Go Right | The New Yorker
History of left-wing politics in the United States - Wikipedia
The Making of a Leftist - The Atlantic
What the U.S. Left Can Learn From Abroad - The Atlantic
The Surprising Origins of 'Left' and 'Right' in Politics | TIME
Americans at ends of ideological spectrum are most active in U.S ...