Hence putting in place a sectarian leader who was happy to discriminate against Sunnis fight the Kurds and institute harsh Islamic law.
This backdroped by routine suicide bombings in most urban centers and the continued degradation of countryside towards the stone age.
Iraq was an amalgamation of various cultures imposed by the British whom did not pay much attention when drawing the boarders in the middle east.
Balkanization is likely appropriate in Iraq if one does not desire an iron-fisted dictator. The Kurdish government is already established and has accomplished feats of stability unrivaled by most of the surrounding region.
Why there needs to be a fetishism for existing boarders I have no idea. It was recognized immediately after boarders were drawn that there would be issues. Ultimately the state should be for the protection of human lives. Not human lives for the protection of the state