Which political party did Rosa Luxemburg join after leaving the Social Democratic Party of Germany?
Independent Social Democratic Party
Communist Party of Germany
Spartacus League
Social Democracy of the Kingdom of Poland and Lithuania
Answer
After leaving the Social Democratic Party of Germany (SPD) due to its support for World War I, Rosa Luxemburg joined the Independent Social Democratic Party (USPD), which was a more radical and anti-war faction of the SPD.
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