The League of Nations was primarily created to promote peace and prevent future wars after World War I. Despite its intentions, it faced challenges in enforcement and authority, which limited its effectiveness. Overall, its foremost goal remained the establishment of diplomatic solutions to international disputes. ;
The main goal of the League of Nations was to promote peace and prevent future wars following World War I. It aimed to foster cooperation among countries through diplomacy but faced significant challenges in enforcement and authority. Therefore, the correct option is D. promote peace.
;