History -- Foreign relations -- 12 Communism -- 10 History 9 Chinese -- 7 Economic conditions -- 7 Politics and government -- 7 more ... Economic conditions 5 Biography -- 4 Commerce -- 4 Democracy -- 4 Ming dynasty, 1368-1644 4 Social conditions -- 4 Explorers -- 3 Revolutions -- 3 Tiananmen Square Incident -- 3 Tiananmen Square Incident, 1989 3 China -- 2 Ethnic relations 2 Heads of state -- 2 Human rights -- 2 Political prisoners -- 2 Science -- 2 Social conditions 2 Triads (Gangs) -- 2 Women -- 2 20th century -- 1 Aliens -- 1 Ambassadors -- 1 Armed Forces -- 1 less ...