The modern movement, understood as a process of social transformation, directly linked to the social and natural environment and coupled with state-supported development processes, would champion the idea of the city as a system after World War II on a much more complex and ambitious political and institutional scale. In this itinerary, there is a huge bibliographical gap related to a regional movement that emerged in South America, in which young designers firmly believed that the main challenges of underdevelopment could be addressed through new teaching of architecture, with a strong and participatory social commitment.