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The idealist approach gained prominence after World War I, when the devastation of the
conflict led many thinkers to believe that a new, more cooperative world order was
necessary.
• Woodrow Wilson’s Fourteen Points (1918):
o Wilson, the U.S. President, became the most famous advocate of idealism.
o He proposed principles like self-determination, open diplomacy,
disarmament, and the creation of the League of Nations.
o His vision was that international cooperation could prevent future wars.
• League of Nations:
o Established in 1920, it was the first major attempt to institutionalize idealist
principles.
o Though it ultimately failed to prevent World War II, it laid the groundwork for
later institutions like the United Nations.
Core Features of Idealism in International Politics
1. Faith in International Law and Institutions:
o Idealists believe treaties, laws, and organizations can regulate state behavior.
o Example: The League of Nations, and later the United Nations, embody this
faith.
2. Emphasis on Morality and Justice:
o Foreign policy should reflect ethical values, not just national interest.
o Ending poverty, protecting human rights, and promoting democracy are seen
as global responsibilities.
3. Belief in Human Progress:
o Idealists argue that humanity can evolve toward peace and cooperation.
o Education, diplomacy, and cultural exchange are tools to reduce conflict.
4. Opposition to Militarism:
o Idealists criticize arms races and military alliances, seeing them as causes of
war.
o They advocate disarmament and peaceful resolution of disputes.
Criticisms of Idealism
While inspiring, idealism has faced strong criticism, especially from realists.
• Too Optimistic: Critics argue that idealism underestimates the role of power and
self-interest in international politics.
• Failure of the League of Nations: The inability of the League to prevent aggression in
the 1930s (e.g., Japan in Manchuria, Italy in Ethiopia, Germany under Hitler) showed
the limits of idealist thinking.
• Realist Counterpoint: Realists like Hans Morgenthau argued that international
politics is fundamentally about power, not morality.
Thus, while idealism provided hope, it was seen as impractical in the face of aggressive
states and power struggles.