Where did Hong Fan's eight policies, grain policy, come from?

Fan from Shang Shuhong.

Shang Shu Hong Fan elaborated a theocratic administrative thought, which had a decisive influence on the formation of China's ancient dominant political philosophy theory and centralized theory with kingship and theocracy as the core.

Among Hong Fan's eight policies, food is the first policy, which means that the people put food first in eight aspects of Hong Fan's administration.

Eight kinds of government affairs, first, people's food, second, wealth, third, sacrifice, fourth, residents, fifth, education, sixth, thieves, seventh, pilgrimage and eighth, military affairs.