Don’t need nukes. Use B52s with HE and incendiary bombs, one city at a time, from east to west. Drive the survivors, if any, into Iran.
Khitan General: My fear is that my sons will never understand me... Hao! Dai ye! We won again! [Cheers] This is good. But what is best in life?
Khitan Warrior: The open steppe, a fleet horse, falcons at your wrist, and the wind in your hair.
Khitan General: Wrong! Conan, what is best in life?
Conan: To crush your enemies, see them driven before you, and to hear the lamentations of their women!
Khitan General: [Cheers]...That is good.
“Khitan General: My fear is that my sons will never understand me... “
Genghis Kahn: “My grandchildren will eat from plates of silver and drink from cups of gold and never wonder from where these things came.”
As for the rest change Conan to Genghis Khan and it is right enough.