The Communist Manifesto 1848) in Ghent to establish a branch of the Democratic Association there. Subsequently, having not heard from Marx for nearly two months, the Central Committee of the Communist League sent him an ultimatum on 24 or 26 January, demanding he submit the completed manuscript by 1 February. This imposition spurred Marx on, who struggled to work without a deadline, and he seems to have rushed to finish the job in time. (For evidence of this, historian Eric Hobsbawm points to the absence of rough drafts, only one page of which survives.) In all, the "Manifesto" was written over 6–7 weeks.
History of modernisation theory allows people to think in new and innovative ways; innovation is thus coeval with modernisation. Among the academics who contributed much to this theory are W. W. Rostow, who in his "The Stages of Economic Growth: A Non-Communist Manifesto" (1960) concentrates on the economic system side of the modernisation, trying to show factors needed for a country to reach the path to modernisation in his Rostovian take-off model. David Apter concentrated on the political system and history of democracy, researching the connection between democracy, good governance and efficiency and modernisation. Seymour Martin Lipset in "Some Social Requisites of Democracy" (1959)