Tribute to Bayardo Arce, commander of the Sandinista National Liberation Front. In the photo: Bayardo Arce (at the microphone); front row: Modesto da Silveira (in a tie), Carlos Alberto Muniz (with  a beard); second row: Rodrigo Faria Lima (with  a beard). The Congress brought together 77 participants from 50 countries, under the chairmanship of former West German Chancellor Willy Brandt. The Congress brought together 77 participants from 50 countries, under the chairmanship of former West German Chancellor Willy Brandt.