Kublaiknewtheimportanceofwatermanagement,forirrigation,transportofgrain,andfloodcontrol,andheaskedGuotolookattheseaspectsintheareabetweenDadu(nowBeijingorPeking)andtheYellowRiver.

Please segment the words.
Kublai knew the importance of water management, for irrigation, transport of grain, and flood control, and he asked Guo to look at these aspects in the area between Dadu (now Beijing or Peking) and the Yellow River.