Why is there a war in Afghanistan? Explained in four minutes on YouTube

A short YouTube clip 'How Important Is Ideology in Conflict?' (2.34mins) by Mike Martin, ex-British Army, who has a classic book on the campaign in Helmand and he explains what is a forty year civil war between Afghans.
Link:https://www.youtube.com/watch?time_c...&v=vDQQDlj3_Zk

In summary ideology is not important, survival is.

A second clip is 'Why Is Afghanistan So Unstable?' (1.58 mins).
Link:https://www.youtube.com/watch?v=leQWXGjy9FI

In summary: Its borders are drawn by others and it is a divided nation. None of the groups have ever been reconciled to one system / state. This results in competition which others get involved in.

His book is 'An Intimate War: An Oral History of the Helmand Conflict', now revised and in paperback.
Link to publisher:http://www.hurstpublishers.com/book/an-intimate-war-2/

Link to my posts on the author:http://council.smallwarsjournal.com/...archid=6729836