Explain whether you agree with the following statements:

1. The principle of national treatment holds that all foreign investors in a country should be treated in the same way.
2. The WTO Dispute Settlement Understanding aims to replace might with right.
3. Customs duties only apply to goods imported into a country.
4. TRIPS includes elements of human rights and free trade principles.
5. Due to historical British economic dominance, most countries have similar legal systems.