Answer: Resource mobilization approach
Step-by-step explanation:
Resource mobilization approach is the school of though that emphasizes that the success social movements depends on the access of resources which are human, material, socio-organisation, cultural and moral resources with the ability to effectively use them to achieve a goal. When any of these resources are lacking, the social movement may never be sustainable.
Kyle understanding that the social movement being formed by his fellow artists and musicians will never reach its full potential nor be sustainable for very long because the movement lacks sufficient resources is in the school of though of the Resource mobilization approach