WITH the general transformation of men's outlook t]le cities of Greece were led to lend themselves more read'ily than in former days to change, to regulate their relations with other Greek cities in accordance with ideas less narrow and less jealous. Towns in which commerce and industry had developed to any considerable degree attracted a heterogeneous collection of people--craftsmen in search of a livelihood-and sent out their sailors to visit all the shores of the Mediterranean. By this coming and going a constant interchange of men, of merchandise and of ideas was effected. Blood was intermingled and prejudices disappeared one by one. In the interior of each country, citizens and metics alike, from being continually brought together, generation after generation, by the same necessities of economic and social life, felt the same love for their common country: the ports in particular were melting pots where day by day lasting fusions were made. From one country to another, more and more clearly, more and more consciously, the conception of Hellenic unity was being formed.