History -- 3 Law -- 3 Colonies -- 2 International law 2 Agricultural prices -- 1 Case studies -- 1 Civil -- 1 more ... Economic assistance -- 1 Economic conversion -- 1 Government policy -- 1 Intenational law -- 1 Internaional law -- 1 International co-operation 1 International cooperation. -- 1 International law -- 1 International relations 1 International rivers -- 1 Management -- 1 Military relations -- 1 Nationalism -- 1 Politics and government 1 Slave trade -- 1 Slavery -- 1 States, New -- 1 Water-supply -- 1 Watershed management -- 1 less ...