The political rift between Earth and Mars was probably irreparable; the Earth forces loyal to Protogen had engineered a betrayal too deep for apologies, and too many lives had been lost on both sides for the coming peace to look anything like it had been before. The naive among the OPA thought this was a good thing: an opportunity to play one planet against the other. Fred knew better. Unless all three forces—Earth, Mars, and the Belt—could reach a real peace, they would inevitably fall back into a real war.