The Communist Manifesto in specific countries in the mid-nineteenth century such as France, Switzerland, Poland, and Germany, this last being "on the eve of a bourgeois revolution", and predicts that a world revolution will soon follow. It ends by declaring an alliance with the social democrats, boldly supporting other communist revolutions, and calling for united international proletarian action—Working Men of All Countries, Unite!. In spring 1847 Marx and Engels joined the League of the Just, who were quickly convinced by the duo's ideas of "critical communism". At its First Congress in 2–9 June, the League tasked Engels with drafting a "profession of faith",
The Communist Manifesto "Manifesto" and its authors experienced a revival in fortunes. Hobsbawm identifies three reasons for this. The first is the leadership role Marx played in the International Workingmen's Association (aka the First International). Secondly, Marx also came into much prominence among socialists—and equal notoriety among the authorities—for his support of the Paris Commune of 1871, elucidated in "The Civil War in France". Lastly, and perhaps most significantly in the popularisation of the "Manifesto", was the treason trial of German Social Democratic Party (SPD) leaders. During the trial prosecutors read the "Manifesto" out loud as evidence; this meant that the pamphlet could