The Combine, referred to as "Our Benefactors"[2] and CMB in propaganda, is the title of an immense and powerful inter-dimensional empire that conquered the Earth during the Seven Hour War, comprised of a variety of both allied and enslaved species.[3] The Combine is a vast and powerful extra-dimensional empire, spanning several parallel universes. Little is known about the Combine's origins and overall goals, but it can be assumed that its ultimate ambition is to conquer and assimilate the entir