The image above is part of the egyptian book of the dead. the text exists because of which of the following?

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 !

The correct answer is "the protesters were attacked by chinese troops and many were killed or arrested."