Complex sentence: Katanga, lines to Angola, Zambia, and halfway to Leopoldville at Ilebo on the Kasai River.Later ocean maritime empires Societe Maritime Belge and airlines, SABENA were formed to serve the colony.
Split into simpler sentences: Katanga, lines to Angola, Zambia, and halfway to Leopoldville at Ilebo on the Kasai River. Later, ocean maritime empires Societe Maritime Belge and airlines, SABENA were formed to serve the colony.