Economic aspects History 32 World War, 1939-1945 24 Agriculture 13 Economic conditions 10 World War, 1914-1918 10 Causes 4 Economic policy 4 Jewish property 4 European War, 1914-1918 3 Holocaust, Jewish (1939-1945) 3 Jews 3 Political aspects 3 Social aspects 3 Social conditions 3 Aryanization 2 Campaigns 2 Confiscations and contributions 2 Foreign economic relations 2 Industrial mobilization 2 Industrial relations 2 Labor and laboring classes 2 Land reform 2 Nationalism 2 Peasantry 2 Rural conditions 2 Statistics 2 Addresses, essays, lectures 1 Agriculture and state 1 Arid regions 1