Possible Clues:

• Home of the Sumerians
• Middle East region often called 'the cradle of civilization'
• *Cradle of civilization
• Area of land in the Middle East stretching from the Nile to the Tigris and Euphrates
• Region from Armenia to Arabia considered to be the cradle of civilisation
• Area that's mostly desert, despite its name
• Cradle of early civilization
• Historical area in the Middle East
• Historical area in the MiddleàEast
• Area of early civilization