Who which US president took a notably idealistic approach to foreign-policy?

Woodrow Wilson is often noted for his idealistic approach to foreign policy, particularly during and after World War I. He championed the principle of self-determination for nations and promoted the establishment of the League of Nations, aiming to create a framework for international cooperation and peace. His vision was rooted in the belief that democracy and moral values should guide foreign relations, contrasting with more pragmatic or realist approaches.