History History -- Politics and government 6 Biography -- 4 Economic conditions 4 Politics and government -- 4 Communists -- 3 more ... Economic conditions -- 3 Foreign relations -- 3 Guerrillas -- 3 Political violence -- 3 Social conditions 3 Autonomy and independence movements 2 Chinese -- 2 Foreign economic relations -- 2 International relations -- 2 Management -- 2 Nationalism -- 2 Zionism -- 2 Achinese War -- 1 Air forces -- 1 Air power -- 1 Arab-Israeli conflict 1 Armies -- 1 Arms control -- 1 Atrocities -- 1 Autonomy and independence movemens 1 Biological warfare -- 1 Bloody Sunday, Derry, Northern Ireland, 1972 1 Campaigns -- 1 less ...