As Christians went forth from Jerusalem they encountered different traditions, cultures, customs and languages, soon the Church became a communion of Churches united in love with each other, looking to the See of Peter in Rome as the first among them all. The Gospel of Christ has reached the four corners of the world. Jesus prayed for their unity, “that they all may be one” (John 17:21). For Catholics united with the Pope in Rome, there is already an amazing unity even within the reality of cultural diversity. The Catholic Church, comprised of twenty-one Eastern Churches and one Western Church,...