Similarities and differences between common law contracts versus the Uniform Commercial Code

Respond to the following:

Explain the required elements for a valid contract. What are some similarities and differences between common law contracts versus the Uniform Commercial Code?
Why is it important to distinguish which one applies when making a contract business decision?
Research one (1) breach of contract lawsuit involving two businesses within the last year and explain the lawsuit facts, dispute, and decision/reasoning by the court.