Agriculture and politics History 24 Agriculture and state 17 Economic aspects 17 Agriculture 15 Political aspects 15 Politics and government 13 更多 ... Economic conditions 8 Food supply 7 Rural conditions 7 Capitalism 5 Farmers 4 Food security 4 Foreign relations 4 Progressivism (United States politics) 4 Social conditions 4 African Americans 3 Family farms 3 Forest policy 3 Forests and forestry 3 Government policy 3 Human ecology 3 Imperialism 3 Land reform 3 Peasants 3 Political activity 3 Political parties 3 Race relations 3 Segregation 3 Social aspects 3 少 ...