This is the region's major economic challenge. the oil industry's stability biodiversity loss agricultural productivity marine degradation

The league of nations was found in 1919 to keep peace after world war l.but it failed to prevent world war ll in 1939,so in 1945 the nations of the world set up a new organization,the united state (un).since then, the un has encouraged international cooperation and worked to resolve conflict

They had strained relationships with colonists but good relationships with american indians

Herodotus views history as a source of moral lessons, with conflicts and wars as misfortune. herodotus, preferred moral lessons and drawing conclusions over fact, making him similar to other popular historians of the time. thucydides uses factual reports of political and military events, based on eye-witness accounts. thucydides' view of only factual based reports, was uncommon for the time, neither thucydides or herodotus, cited sources.