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 entered political-science syllabuses in universities, which would only expand after the Second World War. For its centenary in 1948, its publication was no longer the exclusive domain of Marxists and academicians; general publishers too printed the "Manifesto" in large numbers. "In short, it was no longer only a classic Marxist document," Hobsbawm noted, "it had become a political classic "tout court"." Even after the collapse of the Soviet Bloc in the 1990s, the "Communist Manifesto" remains ubiquitous; Hobsbawm says that "In states without censorship, almost certainly anyone within reach of a good bookshop, and certainly anyone within reach of a