Answer: plurality of parties, plurality of medias, freedom of expression, judiciary, legislative and executive powers are independent on each other, existence of non-governmental organizations, freedom of expression, universal declaration of human rights is respected etc etc. Many actors in politics, system is open, no censorship
Explanation: In 1949 Universal declaration of human rights was adopted by UN ....promoting pluralistic, democratic society. Construction of EU and USA is based on plurality. Dictatorships usually do not promote pluralism, but monopoly (dogmatism).