Summarise the cases below. Before summarizing explain the legal principles they support.

Carlill v. Carbolic Smoke Ball Co. Ltd. Harvey v. Facey Fisher v. Bell Partridge v. Crittenden

Pharmaceutical Society of Great Britain v. Boots Cash Chemists Hyde v. Wrench Stevenson v. McLean Ramsgate Hotel v. Montefiore

Dickenson v. Dodds Routledge v. Grant Powell v. Lee Adams v. Lindsell Byrne v, Van Tienhoven Household Fire Insurance Co. v. Grant Holwell Securities v. Hughes

Example- Prinicple-An offer must not be vague. The terms must be clearly stated to be valid.

Case- Gunthing v. Lynn

The Defendant informed the Claimant that he would pay him a further 5 pounds if the horse were lucky. The Court held that this was not a valid offer as the term "lucky" was too vague