Their concept of Volksgemeinschaft was racially unified and organized hierarchically.[11] This involved a mystical unity, a form of racial soul uniting all Germans,[12] including those living abroad.[13] Nevertheless, this soul was regarded as related to the land, in the doctrine of "blood and soil".[12] Indeed, one reason for "blood and soil" was the belief that landowner and peasant lived in an organic harmony.[14] Aryan Germans who had sexual relations with non-Germanics were excluded from the people's community.[15]