Read the following quote.

"One of the things that this law does is to guarantee that they won't suffer from the gamble they take normally as being part of the economic marketplace. If they gamble that they are going to be able to sell their product, but it turns out that their product is harmful, and they cant sell it, they claim that the investment provision protects them from the gamble; that they get to make their profit anyway".

1) Outline the case for regional economic integration with agreements and trade zones, etc. How should it work, according to theory and why is it a good thing?

2) Thinking about NAFTA specifically, to which investment provision of NAFTA is the speaker in the quote referring? What is the issue referred to? How, if at all, does this contradict your anser to part 1?