Which of the following are the two most important primary sources of contract law?
| Case law and the restatement of law | ||
| Case law and the Uniform Commercial Code | ||
| The Uniform Commercial Code and the Convention on Contracts for International Sales of Goods | ||
| Case law and the Convention on Contracts for International Sales of Goods | ||
| The Convention on Contracts for International Sales of Goods and the Restatement of the Law Second, Contracts |