chapter  IX
16 Pages

The Relations between the Peoples. War and Commerce

TLTUMAN groups belonging according to race and environ-* * ment to very different civilizations could not fail to come into contact. Now for the most part their customs and interests differed and hence arose a natural antipathy and hostility between them. But they had also common interests. One possessed what another lacked and hence arose the necessity of maintaining peaceful relations and friendships. Hence war and commerce.