Select the true statement about the Convention on Contracts for the International Sale of Goods (CISG).

• Its purpose is to unify contract law among countries to facilitate international trade.
• Parties to the Convention must re-approve the treaty every five years.
• It governs international sales contracts for all countries in the world.
• It governs the international sale of services in addition to goods.

Which of the following is an important purpose of intellectual property rights?

• To give Congress the power to decide which discoveries are useful
• To encourage inventors to share their discoveries with the public
• To make new products affordable for consumers
• To ensure quality and efficiency in the marketplace