Except for the king, every noble in a feudal society served as a to a higher noble.

Except for the king, every noble in a feudal society served as a vassal to a higher noble. The vassal in medieval Europe, was a man who was granted land in exchange for service and loyalty to an older man or is more important. They made a feudal contract that was an exchange of promises between lords and vassals. In feudal society was the monarch, then the powerful lords who had vassals.

theodore roosevelt challenged william to a duel, whoever won, got their policy sent to congress. it ended up in a stalemate, and both men were injured and sent to the hospital.

herodotus taught this. herodotus was an ancient greek historian who was born in halicarnassus in the persian empire. he is known for having written the book the histories, a detailed record of his "inquiry" on the origins of the greco-persian wars.