Karl Marx called the Communist League. Both Marx and Engels participated in drawing up the programme and organisational principles of the new Communist League. In late 1847, Marx and Engels began writing what was to become their most famous work – a programme of action for the Communist League. Written jointly by Marx and Engels from December 1847 to January 1848, "The Communist Manifesto" was first published on 21 February 1848. "The Communist Manifesto" laid out the beliefs of the new Communist League. No longer a secret society, the Communist League wanted to make aims and intentions clear to the general public
The Communist Manifesto were Spanish editions in Latin America. This uneven geographical spread in the "Manifesto"s popularity reflected the development of socialist movements in a particular region as well as the popularity of Marxist variety of socialism there. There was not always a strong correlation between a social-democratic party's strength and the "Manifesto"s popularity in that country. For instance, the German SPD printed only a few thousand copies of the "Communist Manifesto" every year, but a few hundred thousand copies of the "Erfurt Programme". Further, the mass-based social-democratic parties of the Second International did not require their rank and file to be well-versed