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  • but: harms the environment
    • because: triggers series of landslides
      • because: harms cities resting on plain of sediment
      • because: water erodes steep area along the Yangtze
    • but: measures had been made against pollution
    • because: alters the character of the river
      • because: river flows more quickly
        • because: slit is held up
    • because: collapses of riverbanks
    • because: water pollution
      • because: garbage and sewage
      • because: algae blooms
        • because: dispersal of agricultural waste is prevented
  • but: destroys historical sites
    • because: water level rises
  • because: facilitates river traffic
    • but: hampers navigation
      • because: larger deposits of slit
        • because: soil erosion in the upper waters
    • because: increases river shipping
      • because: reduces freight costs
      • because: ship locks make shipping safer
The Three Gorges Dam project is beneficial to the country
  • but: dam failure
    • because: effectiveness for electricity generation decreases
      • because: amount of slit transported by the River reduced
    • because: the dam may silt up
  • because: controls flooding
    • because: minimize flood impact
    • because: lessen frequency of flooding
  • because: benefits country's economy
    • because: development of tourism
      • because: the Dam is a tourist site in itself
        • but: It takes a lot of money to maintain.
          • because: I agree with this
      • because: provides facilities for water sports
    • because: facilitates trade
  • because: improve living standard
    • but: mass relocation of local residents
      • but: mass relocation is ecologically essential
    • because: produces electricity