legal rights and duties

Discuss the following:
Parties to a contract have legal rights and duties to each other. These rights and duties can be transferred to other parties.

Pursuant to the chapter reading, explain how assigning one’s right in a contract works and what a third-party beneficiary is. 
If Bill is hired to build an apartment complex and signs a contract, conditioned on remaining drug free, what type of conditional contract is this? If Bill breaches the contract, why type of damages can the other party recover and what are Bill’s possible defenses?   
Research a breach of contract case in the legal database, NEXIS-Uni in the last two years and provide the facts of the case, the parties and their arguments, the issues of law and the holding by the court and reasoning for the decision.  Did you agree with the court, why or why not?