(A) Great Leap Forward → A major campaign by China to rapidly industrialize, initiated in 1958.
(B) Mao Zedong → The leader of the Chinese Communist Party, known for significant political movements.
(C) Brundtland Commission → Formed in 1983, it focused on sustainable development and future generations.
(D) Our Common Future → A report by the Brundtland Commission defining sustainable development as meeting basic needs.
Thus, the correct matches are: (A) - (II), (B) - (III), (C) - (I),