The correct answer is A. Nature
Step-by-step explanation:
In societies, belief systems are a set of principles that help individuals to understand the world, this includes religion but also principles or beliefs related to other aspects such as life, society or politics.
In ancient societies, most belief systems were closely linked to nature, for example, ancient societies tried to understand their origin and existence based on elements from nature they considered as gods such as the sun, the rain, the moon or the animals. In the same way, in ancient societies or human groups, nature had an important role in everyday life and due to this, all ideas and beliefs were related to it. Thus, ancient belief systems were heavily rooted in the understanding of nature.