As an undergraduate, I had an opportunity to go on a number of archeological digs. So I had experience excavating, digging up remains of ancient Indian villages in the Midwest and in the Southwest.
The U.S. cannot force Sunnis, Shias, and Kurds to make peace or to act for the common good. They have been in conflict for 1,400 years.
I guess you can stay sort of true to the story; you don't have to artificially bring the character back from whatever doom you've designed for them, you can tell the story, I suppose, honestly.