Answer:
Explanation: We can say Mesopotamians were great builders because:
-The Mesopotamians built the world's first columns, arches and roofed structures
- Built Simple homes which were constructed from bundles of reeds tied together and inserted in the ground
-More complex homes were built of sun dried clay bricks.
-Important feature of the Mesopotamian architecture was the large gateway of a city. The most famous of these gateways is the Ishtar Gateway from Babylon.