Aspect of contract and negligence for business

3.1 contrast liability in tort with contractual liability(tort definition,contractual liability definition,tort /contract,difference and similarities between liability in tort and contractual liability )1 case reference please.

3.2 explain the nature of liability in negligence(strict liability,comparative liability,contributory liability…….)
3.3 explain how a )business can be vicariously liable(case reference)
on cases references :facts,decision,justification only..brief