After 300 (?) years two cultures develop on opposite continents of Earth 2.0.
Darwinism has become a dogmatic religion, but manifested in two cultures (advanced and barbaric).
Intelligent Design Science becomes the new threat to the World order, inspiring exploration and rational inquiry.
This leads to a greater discovery... they did not develop here naturally, but came from a different planet of origin on a space ship...from Earth 1.0.