I. 1949 The People's Republic of China is established with Mao Zedong serving as its autocratic leader. II. 1958 - Mao Zedong's Great Leap Forward economic program results in widespread starvation in China. III. 1966 - Mao Zedong launches the Cultural Revolution in China, leading to violence, chaos, and an economic depression. IV. 1978 - Deng Xiaoping becomes the leader of China following Mao Zedong's death and replaces many of Mao's policies. Examine this list of events that took place in China during the 20th century. Which event or events could possibly have been a cause of the Great Leap Forward?