# Entities: book-1-chapter-02

{{ include "barter-and-exchange.md" }}

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{{ include "benevolence.md" }}

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{{ include "contract.md" }}

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{{ include "division-of-labour.md" }}

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{{ include "exchange.md" }}

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{{ include "favour.md" }}

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{{ include "human-nature.md" }}

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{{ include "interest.md" }}

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{{ include "mutual-good-offices.md" }}

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{{ include "necessity.md" }}

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{{ include "self-love.md" }}

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{{ include "subsistence.md" }}

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{{ include "treaty.md" }}

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{{ include "truck.md" }}

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{{ include "variety-of-talents.md" }}

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{{ include "venison.md" }}

