Political thinkers -- Plato -- Aristotle -- Niccolo Machiavelli -- Thomas Hobbes -- Libertarianism -- Baruch Spinoza -- John Locke -- Charles de Montesquieu -- Jean-Jacques Rousseau -- Feminism -- Thomas Paine -- Edmund Burke -- Henri de Saint-Simon -- Auguste Comte -- Socialism -- Karl marx and friedrich engels -- Antonio gramsci -- John rawls -- Conservatism and neoconservatism -- Empire builders, conquerors and rulers -- Alexander the Great -- Shih Huang-ti -- Julius Caesar -- Charlemagne -- Genghis Khan -- Saladin -- Ferdinand and Isabella of Spain -- Colonialism -- Elizabeth I of England -- Akbar the Great -- Napoleon Bonaparte -- Nationalism -- Catherine the Great of Russia -- Otto von Bismarck -- Adolf Hitler -- Totalitarianism -- Joseph Stalin -- Revolutionaries and nation builders -- Simon Bolivar -- Giuseppe Garibaldi -- Sun Yat-Sen -- Vladimir Ilyich Lenin -- Communism -- Kemal Atatuork -- Gamal Abdel Nasser -- Mahatma Gandhi -- Nelson Mandela -- Ayatollah Ruhollah Khomeini -- Wahhabism -- David Ben-Gurion -- Mao Tse-Tung -- Great leaders -- Muhammad -- Abraham Lincoln -- Charles de Gaulle -- Sir Winston Churchill -- Democracy -- Martin Luther King Jr. -- Lech Walesa -- Fidel Castro -- Mikhail Gorbachev -- Jawaharlal Nehru.