They have thus upheld the true contractual nature of concordats and the mutual juridical obligation which results from them.
From the point of view of diminishing the possible causes of conflict among nations, the adoption of this principle as one of international contractual obligation would be of great utility.
Disarmament, or to speak more correctly, the contractual limitation of armaments, has become, of late years, as much an economic as a humanitarian peace-securing object.
The shades which distinguish these three forms are not without significance, but they in no way detract from the contractual character of concordats.
Differing from these general acts in not being contractual is the Monroe doctrine, which is a policy of ensuring the maintenance of the territorial status quo as regards non-American powers throughout the American continent.
Other cases of regulation by treaty are certain contractual engagements which have been entered into by states for the preservation of the status quo of other states and territories.
The difficulty of defining the relations between the protected and the protecting states is greater, because a protectorate may imply a condition of transition: a contractual or limited relation of state to state, more or less rapidly changing into true union.
If we now turn to the actual stages by which this momentous passage from the manorial to the commercial arrangement was achieved, we have to notice first of all a rapid development of contractual relations.
In the fourth place, there is the self-denying ordinance against employment of arms for the enforcement of contractual obligations adopted at the Hague Conference of 1907.
Under it the high contracting powers have agreed not to have recourse to armed force for the recovery of contractual debts claimed from the government of one country by the government of another country as due to its subjects.