So 5,000 years ago in the land meso, or , the Tigris and Euphrates potomoi, or , cities started popping up. These early Mesopotamian cities engaged in a form of , where farmers contributed their crops to public storehouses out of which workers, like metalworkers or builders would be paid uniform "wages" in grain.

The correct answers to this open question are the following.

Although you did not include options, we can say the following.

So 5,000 years ago in the land "meso," or between the Tigris and Euphrates "potomi", or rivers, cities started popping up. These early Mesopotamian cities engaged in a form of socialism, where farmers contributed their crops to public storehouses out of which workers, like metalworkers or builders would be paid uniform "wages" in grain.

We are talking about the oldest civilization on planet Earth: the Sumerians. These people settled in the middle of the Euphrates and Tigris Rivers, in the Middle East region of what today in the territory of Iraq. They learned agriculture techniques that allowed them to establish great city-states such as Lagas, Kish. Ur, Nippur, Eridu, Ur, and Uruk. Thye learned how to predict and use the flood of the rivers to grow crops in that fertile soil.

d and a is the correct anwsers

explanation: