Complex sentence: On March 21st 2014 Francis spoke at a meeting by Libera, a citizen organisation, the meeting showed the Roman Catholic Church opposes organised crime and discards historic ties to mafia bosses who allege they are good Catholics.
Split into simpler sentences: On March 21st 2014 Francis spoke at a meeting by Libera, a citizen organisation, the meeting showed the Roman Catholic Church opposes organised crime. Further the Churchd discards historic ties to mafia bosses who allege they are good Catholics.