China’s agricultural polices during the Great Leap Forward led to

The Great Leap Forward campaign began during the period of the Second Five Year Plan which was scheduled to run from 1958 to 1963, though the campaign itself was discontinued by 1961. Mao unveiled the Great Leap Forward at a meeting in January 1958 in Nanjing.

Explanation:

It was an economic and social campaign to reconstruct the country.

a.) are both appointed for life