Question: Mutual aid is an intrinsic part of small, communal societies and contrasts with what body of thought?
Sentence (from "Mutual Aid: A Factor of Evolution"): The essays, initially published in the English periodical "The Nineteenth Century" between 1890 and 1896, explore the role of mutually-beneficial cooperation and reciprocity (or "mutual aid") in the animal kingdom and human societies both past and present.
Relevant evidence: No