The International Working Men’s Association - founded in London on September 28, 1864 - was an organization with several different political currents that were able to coexist with each other. Reformist trade unionists from England, French mutualists inspired by the theories of Pierre-Joseph Proudhon, anticapitalists, and a variety of other groups, including those who were influenced by the ideas of 'utopian' socialists, participated for eight intense years to develop the first transnational political experience of the labour movement.
Marxism as the ideological core of a developmental strategy emerged in Tanzania in the late 1960s as a result of a particular constellation of forces – the intension of the newly liberated country to pursue an alternative development model. This led to the promulgation of the Arusha Declaration and the TANU Guidelines of 1972. Its concentrated expression found the surge for a Tanzanian way of Socialism in the ideological battles at the University of Dar-es-Salaam.