Foreign relations -- 12 Foreign relations 6 Economic integration 3 Government policy -- 2 National security 2 National security -- 2 Nuclear weapons -- 2 more ... Plutonium -- 2 1945- 1 Automobile industry and trade -- 1 Economic assistance, Japanese -- 1 Economic conditions 1 Foreign economic relations -- 1 History 1 Investments, Japanese -- 1 Military policy 1 Nuclear non-proliferation 1 Nuclear nonproliferation 1 Politics and government 1 Regionalism -- 1 less ...