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Subjects
Food supply
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4
Agriculture and state
2
Agriculture
1
Collective farms
1
Economic forecasting
1
Environmental policy
1
Farm produce
1
Food industry and trade
1
Food prices
1
Food relief
1
Land reform
1
Natural resources
1
Produce trade
1
Twentieth century
1
Twenty-first century
1
World War, 1939-1945
1