Afghan War a History

Afghanistan is a well-known Asian country which is attacked several times by the Superpowers of the time like Soviet Union, Great Britain, United States and NATO.
But history shows that Afghan nation is
Undefeat able nation.
1. ANGLO-AFGHAN WAR 

In 19th century Afghanistan was attacked by British India two times. Once in 1st Anglo-Afghan war 1838-1842 and the second time in Anglo-Afghan war 1878-1880.
Both time the reason was the Russian influence. That time Afghan tribes get united and defeat the world super power.
2. Soviet Union 

In December 1979 Soviet Union attacked Afghanistan for the support of communist government during the conflict with Muslim Guerrillas in Afghan war 1978-1992. But Soviet Union Suffered 15,000 Dead and a lot Injured. After nine years when Soviet General Leave he said
There is not a single Soviet Soldier or Officer left behind me our nine years war is over.
3. America and NATO 

In October 2001 The United States and NATO attacked Afghanistan with the name of "Operation Enduring Freedom"
Now after 16 years war is still on-going the the Longest war inthe history of America.
In 2013 An American University Estimated that America lost $4 to $6 trillion in only Afghanistan and Iraq War.