How did irrigation systems help improve agricultural practices of the ancient Sumerians?

irrigation systems they helped grow more food and protect their fields from  over flooding

Explanation:

To irrigate their land, they dug out large storage basins to hold water supplies. Then they dug canals, human-made waterways, that connected these basins to a network of ditches. These ditches brought water to the fields. To protect their fields from flooding, farmers built up the banks of the Tigris and Euphrates.

nigger, that word was originated for white folks   to keep black people under

and when black people use it, they know that's just how they greet each other

and when white folks use it, they know there's a double meaning under

answer; correlational;