A threat of violence to the person in order to secure contractual consent
(DTTP)
Barton v Armstrong [1976] AC 104, PC
Merely proof that the threat of violence was A REASON why C entered into the contract, even if she would have done so without the threat have being made.
(DTTP)
Antonio v Antonio [2010]
contract was procured by duress because D had 'intimidated C by creating a frightening and threatening environment.'
(DTTP)
B&S contracts v Victor Green [1984]
With all forms of Duress, there need not be an explicit threat, an implied threat will suffice.