Cruosal is an agricultural world in the Polonia System, that was first colonized during the initial expansion of the Arkhangelsk Empire. A inner sphere world, it supplies a large quantity of food products to the inner sphere. It is the twin planet to Readialus, which is the major population center of the Polonia System. Cruosal has been the target of many wars due to its strategic food supply and its close proximity to Arkhangelsk.