Resumen
In the course of the twentieth century, there occurred a development unique in the story of humankind. States, which had defined themselves from Thucydides to Bismarck by their claims to sovereign independence, gradually came together to create international organizations to promote peace, curb aggression, regulate diplomatic affairs, devise an international code of law, encourage social development and foster prosperity. The emergence of this network of global governance was not straightforward and the debate about its role is just as heated today as it was generations ago.
