Please provide explanation, definition, and Occasion for each point separately.

Note: please provide references to the answer

Occasions that the law balances the conflicting interests of the individuals:

The intention of the contractual parties.

Terminating the offer.

Breaching the contractual terms.

The vitiating factors

The merchant privileges

The principal and the agent.

Occasions that the law balances the conflicting interests of the individuals and the whole community:

The illegal contract.

The conditions of the merchant title.

The agent's right to lien.