In the 20th century world politics, liberalism, Constructivism and the reality is the practice of international relations have the most significant impact on the three ideas. In this three ideas, regardless of the impact on human or political terms of degree of ultimate concern, especially for the very liberal. Liberalism is pessimistic about the times of world politicalrelations with the international community on the issue of liberalism and realism are poles apart from.
Classical liberalism of the world's political philosophy
international
