Translate the following English sentence to French:
"This process was relatively complex as alliances were established between certain countries, particularly from the European Union, and the South American countries with the result that the G77 broke up at a certain point. This prevented the work from being carried out at a quicker pace."
Ce processus a été relativement complexe, certains pays, notamment de l' Union européenne, s' étant alliés aux pays d' Amérique latine et le G77 ayant montré quelques fissures à un moment donné, ce qui n' a pas contribué à l' avancement rapide des travaux.