HomeUPSCTo promote international co-operation and peace, the American President ………………decided to create the League of Nations at the Paris Peace Conference. 41. To promote international co-operation and peace, the American President ………………decided to create the League of Nations at the Paris Peace Conference.By Admin / October 4, 2025 A. theodore roosevelt B. woodrow wilson C. truman D. kennedy ✅ The correct answer is option B.