The Executive 257 to pieces, not of any upon it, but because alike unable to maintain Roman imitation. In the ruins of this empire, there grew the a set of relations, termed feudal, in which lord were bound to each other by a contract freely entered into and entailing mutual obligations,1 If of the parties to the contract broke it, the other might try to force him to keep it or might regard the relation as dis- solved. Indeed these military contracts distinctly the source of the principle of armed to wrong. A baron was a sovereign with respect to his Ms fiefs; hence "such common as to be made in medieval society had to be effected on the lines as modern international conventions." The king could declare his will only in Ms own ; if it touched the territory of his vassals it must have their consent. But the sovereign barons were far from of equal influence, either in the feudal court or outside, and in England the suzerain's voice was very influential. Some barons were much greater than others—-"voices were rather weighed than counted*'—and the majority prin- ciple was not yet. It depended on circumstances and place whether, in feudal society, the pull was towards the centre, the king's control, or the circumference, feudal licence. As transplanted in England it was to- wards the centre; in the Latin Kingdom of Jerusalem towards the circumference. William the Conqueror did not turn out to be the kind of king that his vassals had expected; he did not treat them as the French kings treated their vassals. He did not consciously modify feudalism when he came into England or deliberately undertake to weaken his vassals. But he was as strict and stem a king in England as he had been duke in Normandy; he was great enough to play the same part on the larger stage. His followers seem not to have expected this; they thought he would * See above, Part I, § II., i.