Question

an internal conflict features character vs. character nature self society

Explanation:

In literary terms (subfield: Literature under Arts), an internal conflict is a struggle that occurs within a character's mind or emotions. So it is character vs. self. Other options like character vs. character (external, between characters), character vs. nature (external, against natural forces), character vs. society (external, against societal norms/institutions) are external or different types of conflict.

Answer:

self