Complex sentence: Planetary settlements are built on the Earth-like NewHope and the frozen Thatcher; the settlers divide into twelve "Clans"--each with a military "Strike Force" to defend against bandits--and create the Centauri Council to govern the system.
Split into simpler sentences: Planetary settlements are built on the Earth-like NewHope and the frozen Thatcher. The settlers divide into twelve "Clans"--each with a military "Strike Force" to defend against bandits--and create the Centauri Council to govern the system.