International relations 5 Electric utilities 4 Foreign relations 4 Mathematical models 4 Military policy 4 Rates 4 Appropriations and expenditures 3 more ... Economic aspects 3 Armed Forces 2 Arms control 2 Case studies 2 Deterrence (Strategy) 2 Education 2 Expenditures, Public 2 Federal aid to education 2 Finance 2 Government spending policy 2 International economic relations 2 Local taxation 2 Military assistance 2 Nuclear crisis control 2 Nuclear warfare 2 Tax and expenditure limitations 2 Taxation, State 2 Television broadcasting 2 Télévision 2 Time-of-use pricing 2 Accounting 1 Ballistic missile defenses 1 Binnenlandse migratie 1 less ...