The Evolution of Foreign Policy of United State toward Afghanistan on the base Geopolitics Theories

Afghanistan as a buffer state between Russia and the Indian Ocean and the transit route of goods from South Asia, to Central Asia and Europe in long time have had a special significance in geopolitical theories that great powers have focused on it. The doctrine of isolationism by Munroe in 1823, US did not entered to the international system until World War I. Departure from isolationism policy United States of America and entrance into the international system, this country has set its own policies in Afghanistan not only to realization the Afghanistan geopolitical material components, but also based on new aspects of geopolitical. This research examines foreign policy of United States of America in Afghanistan based on geopolitical characteristics in different periods and it shows that U.S. for maintenance its position in Afghanistan on the one hand, and liberation from traditional colonial concept label based on economic and geography components geopolitics on the other hand, created Ideological Heartland concept.