1. Duress = Common Law; Undue influence = equity

2. Cases
a) Undue Influence: Allcard v. Skinner 1887 - a person bound not to seek independent advice.
b) Duress: Kaufman v. Gerson 1904 - threat of prosecution.

3. Legal consequences:
a) The contract is voidable, not void.
b) If the threat or force amounts to the tort of intimidation, there are damages: ROOKES v. BARNARD (1964) - tort case.