Likely similar other programs elsewhere. Build the Ringworld to become a headquarters in the war. Seed it with races isolated on the maps with plans to move them to more breeding room when the time comes. Wipe out fleeing Pak from Pakhome. Use the information gained to supercharge your army.
Protectors are really, really mean.
The Earthers seem less agressive. This is likely due to a more advanced breeder stage, cultural differences, and a long greater independence on protectors. Genetic manipulation is best done passively. Seed the Ring with hominids. Work them to be more dependent on each other, so their protectors might be able to cooperate.