In the Legend of Yu what did Yu create to solve flooding?

Year after year, masses of people were left homeless and forced to flee to mountaintops. After relentless urging from his advisors, the emperor appointed a distant relative to control the ongoing flood. This distant relative spent nine years building dams, etc.. to barricade the waters.

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He created canals to direct the water to the sea

Explanation:

china unilaterally claims the entire south china sea as sovereign territory, then builds artificial islands to bolster its claim. it suddenly activates an air defense identification zone over the east china sea, and threatens to down any aircraft that does not report its position. it builds roads into indian territory, then redraws the maps to show that it is actually chinese territory. the people's republic under president xi jinping is quickly becoming the bully of asia.

d

explanation:

i think that this is the best answer, but im sorry if this is wrong