The method of supplying water to an area of land or crops

Waterways made by humans

More than needed (in economic terms)

A political unit with a city and the surrounding area

Territory and groups of people under a single rule

A person whose job it is to write

A ruler of a kingdom or empire

Development of skills in a specific kind of work

A large region of rich farmland near the Tigris and Euphrates Rivers.

Worship of many gods.

Mesopotamia means...