1. "Fundamental error will not prevent a contract from coming into existence unless the mistake is as to the identity of the other party as opposed to his attributes." Discuss.

2. "A man cannot acquire rights under a contract to which he is not a party." Discuss. Are there any exceptions to this rule?

3. "A stranger to a contract cannot sue." Are there any exceptions to this rule?

4. "No action is allowed on an illegal agreement." What are the exceptions to this rule?

5. "An agreement in restraint of trade is void." Examine this statement mentioning exceptions, if any.

6. "Impossibility of performance is, as a rule, not an excuse for non-performance of a contract." Discuss.