Standalone nations like Babylon , Korea , Polynesia , Denmark , Spain , and The Inca . Babylon (Nebuchadnezzar II)
This is the "One More Turn" phenomenon. It is 1:00 AM. You tell yourself, "I will stop when I discover Plastics." Then you discover Plastics, but you are two turns from building Broadway. Then Broadway finishes, but Egypt just denounced you. The loop never ends. Denmark (The Vikings)