What did the emperor yu discover that helped him found the?

Emperor Yu, often credited with founding the Xia Dynasty in ancient China, is best known for his discovery and mastery of flood control techniques. He implemented systematic irrigation and drainage systems to manage the Yellow River's flooding, which significantly improved agricultural productivity and stabilized the region. This ability to control water resources was pivotal in unifying the people and laying the groundwork for a centralized state, thus enabling the establishment of his dynasty.