Final answer:
The relationship between Germanic kings and the non-German aristocracy was one of mutual dependence. The rulers granted rights and privileges to different social categories to secure loyalty.
Step-by-step explanation:
The relationship between Germanic kings and the non-German aristocracy they ruled can be characterized as c) Mutual dependence. Over time, the Germanic rulers integrated with their subjects, leading to a blending of cultural traditions. The rulers granted rights and privileges to different social categories to secure the loyalty of their subjects. This hierarchical system, known as feudalism, involved the rule of kings, lords, and priests over the majority of the population, which consisted of peasants.