 Complete the following phrase:  The FECh was founded on October 21, 1906, with the unconditional support of the Radical Party politician and University of Chile law professor Valentin Letelier - who served as rector of the university from 1906 until 1913. The goal of the organization was to defend the rights and opinions of the student body of the University of Chile and to grant social assistance to workers and the dispossessed. The FECh became the first federation in Chile and first student organization of its type in the Latin American continent. Throughout its history it has played a notable role in the social and political history of Chile, playing a significant role in the fall of the Carlos Ibáñez del Campo dictatorship in the 1940s and in the university reform processes initiated at the Catholic University of Valparaiso in 1967. After the military coup détat on 