Economic aspects -- Agriculture -- 3 Economic aspects 3 Economic development -- 3 Technological innovations -- 3 Climatic changes -- 2 Congresses 2 more ... Economic conversion -- 2 Environmental aspects -- 2 Globalization -- 2 History 2 Social aspects -- 2 Agricultural innovations -- 1 Agriculture and state -- 1 Appropriations and expenditures -- 1 Armed forces -- 1 Arms control -- 1 Business cycles 1 Capitalism -- 1 Case Studies -- 1 Case studies 1 Case studies -- 1 Communism -- 1 Competition, International -- 1 Congresses -- 1 Developing countries -- 1 Diffusion of innovations -- 1 Disarmament -- 1 Economic conditions 1 Economic conversion 1 less ...