National security -- Foreign relations -- 11 Relations -- 4 Foreign relations 3 Military policy 3 History -- 2 Politics and government -- 2 more ... China 1 Congresses 1 Congresses -- 1 Diplomatic relations 1 Economic conditions -- 1 Energy security 1 Human ecology -- 1 Japan 1 Law and legislation -- 1 Military relations -- 1 National security 1 Rela 1 less ...