Final answer:
The LONIC aimed at fostering international cooperation among intellectuals for peace and cultural exchange, while the RSNA focuses on promoting excellence in radiology through education and research.
Step-by-step explanation:
The student is likely referring to the League of Nations International Committee on Intellectual Cooperation (LONIC) and the Radiological Society of North America (RSNA). The LONIC, established in the interwar period, aimed at fostering international cooperation among intellectuals and had an influential role in promoting peace and cultural exchange among member states. The RSNA, on the other hand, is a professional society that focuses on the promotion of excellence in radiology through education and research. It holds annual meetings where it presents new advancements in radiological science and offers educational resources for its members.