contribution critique political economy tr w ryanzanskaya edited dobb london lawrence whishart skocpol theda states social revolutions comparative analysis france russia china new york cambridge university press wallerstein immanuel modern world system capitalist agriculture origins european world economy sixteenth century new york academic press modern world system ii mercantilism consolidation european world economy new york academic press marx k en f engels manifest der kommunistischen partei londen je burghard external links
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