Marx's theory of the state however, he already saw some limitations to that model: By the time he wrote "The German Ideology" (1846), Marx viewed the state as a creature of the bourgeois economic interest. Two years later that idea was expounded in "The Communist Manifesto" This represents the high point of conformance of the state theory to an economic interpretation of history: The forces of production determine peoples' production relations; their production relations determine all other relations, including the political. ("Determines" is the strong form of the claim, Marx also uses "conditions". Also, even "determination" is not causality, and some reciprocity of action is
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)