various provincial _circuits_, were organized as a ‘convention of Roman citizens’ with their own communal government.”[86] We may recall the mediæval Ghettos, which, before the great persecution of the Jews in the Middle Ages, were similar merchant colonies. The settlements of Europeans in the ports of strong foreign empires at the present time show similar corporate organizations, having their own constitution and (consular) jurisdiction. China, Turkey and Morocco must continue to bear this mark of inferiority, while recently Japan has been able to rid herself of that badge. The most interesting point about these colonies, at least for our study, consists in their general tendency to extend their political influence into complete domination. And there is good reason for this. Merchants have a mass of movable wealth, which is likely to be used as a decisive factor in the political upheavals constantly disturbing all feudal states, be it in international wars between two neighboring states, or in intra-national fights, such as wars of succession. In addition to this the colonists, in many cases, may rely on the power of their home state, basing their claim on ties of blood and on uncommonly strong commercial interests; while there is besides, the fact that in many cases they have in their warlike sailor-folk and their numerous slaves an effective and compact force of their own, capable of accomplishing much in a limited sphere. The following story of the rôle played by Arab merchants in East Africa appears to me to show a historical type heretofore not sufficiently appreciated: “When Speke, as the first European, made this trip in 1857, the Arabs were merchants, living as aliens in the land. When in 1861 he passed the same way, the Arabs resembled great landed proprietors with rich estates and were waging war with the native territorial ruler. This process, repeatedly found in many other regions in the interior of Africa, is the necessary consequence of the balance of power. The foreign merchants, be they Arabs or Suaheli, ask the privilege of transit and pay tribute for it; they establish warehouses, which the chiefs favor, as these seem both to satisfy their vanity and to extend their connections; then incurring the suspicion, oppression and persecution of the chiefs, the merchants refuse to pay the rack tolls and dues, which have grown with their increased prosperity. At last, in one of the inevitable fights for the succession, the Arabs take the side of one pretender if he is pliable enough, and are thus brought into internal quarrels of the country and take part in the often endless wars.”[87]