Passage: Investigating the conspiracy, Rorschach and Dreiberg discover that Veidt is behind everything. Rorschach records his suspicions in his journal, which he drops off at the publication office of the New Frontiersman, a right-wing tabloid. Rorschach and Dreiberg confront Veidt at his Antarctic retreat. Veidt admits to being responsible for Blake's murder, Manhattan's exile, Rorschach's framing, and his own assassination attempt. He explains that his plan is to unify the U.S. and U.S.S.R. by destroying the world's main cities with exploding energy reactors generating a Radioactive Decay Signature similar to that produced by Dr. Manhattan. Rorschach and Dreiberg attempt to stop him, but Veidt subdues them both and reveals that his plan has already been set into motion: The reactors already detonated, and the Decay Signatures are recognized as Dr. Manhattan's, leaving the world powers to assume he caused the attack.

Question: What is Viedt's plan?
unify the U.S. and U.S.S.R.