Subject
African Americans
3
Agricultural biotechnology
1
Agricultural innovations
1
Agricultural laborers, Foreign
2
Agricultural laws and legislation
1
Agricultural pollution
1
Agriculture
14
Agriculture and politics
Agriculture and state
16
Agriculture, Cooperative
2
Agriculturists
1
Antislavery movements
2
Breeding
2
Capitalism
5
Child migrant agricultural laborers
2
Communism and agriculture
2
Cosmopolitanism
1
Culture conflict
2
Culture conflict in literature
2
Culture conflict in motion pictures
2
Economic aspects
17
Economic conditions
8
Emigration and immigration
2
Environmental aspects
1
Extension to the territories
2
Factory farms
2
Family farms
3
Farm tenancy
2
Farmers
4
Food
1
Food habits
1
Food industry and trade
1
Food law and legislation
1
Food security
4
Food supply
7
Foreign relations
4
Forest policy
3
Forests and forestry
3
Genetically modified foods
1
Genocide
1
Geopolitics
1
Government policy
3
Grain trade
1
Group identity
2
History
24
Human ecology
3
Imperialism
3
Industrialization
2
Land reform
3
Land tenure
2
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