What concept has been developed by labor historian, robin kelly, and explains how oppressed or marginalized groups strategize to transform power relations by providing agency, empowerment, and a voice to those with few resources?

To solve their problems, mesopotamians used irrigation, a way of supplying water to an area of land. to irrigate their land, they dug out large storafe basins to hold water supplies these ditches brought water to the feilds. to protect their feilds from flooding, farmers built up the banks of the tigris and euphrates.hope ths !

It is meant that like tapestry scientific theories often need to pull out since they are not relevant and often times the whole chain of theories may be pulled out.