<Ul> <Li> 1 . Mao </Li> <Li> 2 . Deng </Li> <Li> 3 . Jiang </Li> <Li> 4 . Hu </Li> <Li> 5 . Xi </Li> </Ul> <Li> 1 . Mao </Li> <Li> 2 . Deng </Li> <Li> 3 . Jiang </Li>

How much impact did the great leap forward have on the economic development of china