Image from P. Bourne (copyright; used with permission)
Treaties and agreements bind the many disparate empires and civilizations in a more direct manner than the links provided by trade or memetic confluence. From mutual defense to sentient rights the life of the Civilized Galaxy is largely based on mutual interests that have been laid out and codified.
Articles
Central Alliance - Text by M. Alan Kazlev Alliance of Sephirotic, Panvirt, Diamond, and Objectivist empires originally formed in response to the Hyperutilization Supremacy (see "Meeting at Googlehertz").
Greensong Accord, The - Text by Thorbørn Steen An agreement between many of the transapient powers to limit their interaction with Hider clades.
Jekaumeatrine Accords - Text by Stephen Inniss An agreement reached between the Efficiency Maximization Paradigm and opposing Sephirotic forces under the Paradigm Containment Organization, limiting further enforced 'optimization' of existing populations.
Tragadi Accords - Text by Todd Drashner Series of protocols and regulations outlining the expected behaviours and interactions among sentients from the various civilizations when they encounter each other in deep space.