Explanation:

- Coercion:

- Similar to duress, both involve applying pressure or threats to force someone to enter a contract.

- Correct Answer: Both concepts involve making a choice under threat, aligning them closely.

- Undue Influence:

- Occurs when one party has power over another, affecting their decision-making.

- It is more about exploitation of trust rather than threats or force.

- Fraud:

- Involves deception to entice someone into a contract.

- It differs by focusing on deceit rather than pressure.

- Misrepresentation:

- Involves false statements that lead to contractual agreement.

- It lacks the element of forced pressure seen in coercion.