Politics and government 5 History 4 Defenses 3 Economic conditions 3 Foreign relations 2 Acculturation -- 1 Civilization 1 more ... Commerce 1 Commerce -- 1 Congresses 1 Economic assistance, Australian -- 1 Economic conditions -- 1 History -- 1 Industrial policy -- 1 Industries -- 1 National security -- 1 Politics and government -- 1 Race relations 1 Social conditions -- 1 Speeches, addresses, etc 1 Strategic aspects 1 less ...