Mesopotamia was in danger from

The world of Mesopotamia was full of dangers from the outside, however. Unlike Egypt, protected by the desert on either side, the people of Mesopotamia had to contend with aggressive neighbors. The Hittites came in 1550 b.c.e. and the the Assyrians in 1200 b.c.e. Both used iron weapons and were cruel conquerors, the first of many in world history.