The Mau emissary told you that if a peace agreement is made with the Red Mane Tribe, they would provide much useful information. You delivered the Mau emissary's words to Suthran. Suthran decided to request advice from Pandaemonium. You related both Cavalorn and Balder's words to Suthran. Based on their feedback, Suthran decided it would be best to make a peace agreement with the Red Mane Tribe.