Sumerians did not have any advance over the economy relative to their place and time. They were there to do their mission.
the poor families worked at a young age to earn money
With other Sumerians
The Sumerians gave us food and writing.
The Sumerians invented glass accidentally.
yeah the sumerians lived in mudbrick houses in southern iraq that is where most of the sumerians came from.
they probably had gold and silver and bronze
to earn money to build a ship
to earn money to build a ship
Barter
sumerians
There is plowing because they needed money
the poor families worked at a young age to earn money
With other Sumerians
With other Sumerians
The Sumerians gave us food and writing.
sumerians is the plural form
Yes, Sumerians did invent the water wheel. In fact the Sumerians invented the wheel.