Final answer:
President Wilson was most committed to the creation of a League of Nations, which was part of his Fourteen Points and aimed at preventing future wars through collective security. option d is answer
Step-by-step explanation:
President Wilson's most fervently committed principle was the creation of a League of Nations. This was the fourteenth point of his Fourteen Points and was fundamental to his vision for ensuring peace and preventing future conflicts. The League of Nations was intended as an international organization where disputes could be resolved peacefully,
thereby making war obsolete through the principle of collective security, where an attack against one member would be considered an attack against all. Despite facing opposition and the ultimate failure of the United States to join, the League was the only point Wilson managed to keep intact in the peace treaties after World War I. option d is answer