Afghanistan has been an ancient focal point of the Silk Road and human migration. Archaeologists have found evidence of human habitation from as far back as the Middle Paleolithic. Urban civilization may have begun in the area as early as 3,000 to 2,000 BCE.[10] Sitting at an important geostrategic location that connects the Middle East culture with Central Asia and the Indian subcontinent,[11] the land has been home to various peoples through the ages[12] and witnessed many military campaigns, notably by Alexander the Great, Genghis Khan, and in modern era Western forces.[10] The land also served as a source from which the Greco-Bactrians, Kushans, Hephthalites, Saffarids, Ghaznavids, Ghorids, Khiljis, Timurids, Mughals, Durranis, and others have risen to form major empires.[13]
The political history of the modern state of Afghanistan begins in 1709, when the Hotaki dynasty was established in Kandahar followed by Ahmad Shah Durrani's rise to power in 1747.[3][14][15] In the late 19th century, Afghanistan became a buffer state in the "Great Game" between the British and Russian empires. Following the 1919 Anglo-Afghan War, King Amanullah began a European style modernization of the country but was stopped by the ultra-conservatives. During the Cold War, after the withdrawal of the British from neighboring India in 1947, the United States and the Soviet Union began spreading