It allowed families to have a keepsake representation of their fathers or sons as they were away from home. Photography also enhanced the image of political figures like President Lincoln, who famously joked that he wouldn't have been re-elected without the portrait of him taken by photographer Matthew Brady
Mesopotamia means the land between two rivers since cuz of the Tigris and the Euphrates. BTW search on YouTube Mr.Nicky’s Mesopotamia song. It helped me when I had to learn about this in 6th grade.