CIVIL WAR, INSURRECTIONS AND MOB VIOLENCE 61 the Bases of Discussion of the Preparatory Committee, there is also added to the cases of mob violence and popular disturbance the fact that the move- ment should be directed against foreigners as such. There appears to be no reason whatever for this distinction. The feelings that stir the mob might be either political, religious, economic or international. Their nature is immaterial. The nature and aim of the movement are questions which the international court might consider in determining the degree of diligence that the State should have exercised. But beyond this, which has no relation to the substantive law, it seems unnecessary to refer specifically to one of the various forms of popular disturbances. national Law, I, p. 200; editorial comments on the Aigues-Mortes Case, Revue générale de droit international public, I, 175; Garner, in Proceedings of the American Society of International Law, 1927, p. 62; Coffey, ibid., pages 63-04.