Complex sentence: The two armies are soon at odds with each other, the men perfect their most destructive weapon yet and call it the'Big Piece' while the women build'Big Mama' a superbomb capable of destroying the solar system.
Split into simpler sentences: The two armies are soon at odds with each other. The men perfect their most destructive weapon yet and call it the'Big Piece', while the women build'Big Mama', a superbomb capable of destroying the solar system.