IHR - Narrowed down Research Question

Three Steps:
1. I am working on the topic of Human Trafficking.
2. Because I want to find out why North Korea is a tier 3 when the U.S. is only a tier 1.
3. In order to help my reader understand better the issue at hand and how the north Korean government has neglected this issue causing it to be a big problem.

Questions:

 Where is this happening? - North Korea (tier 3)

Why did this topic come into being? What is its history?
How does Human Trafficking reflect on the society?
How can it be compared across the world between different countries?
What are all the forms of media - songs, movie, tv episodes - reporting on this issue?
What groups are trying to prevent this from happening?
Is it perpetrators and governments responsibility for this happening?
Why is HT so bad in Korea, but not US? What are the differences in the forms of government/aid groups to prevent it? 
Why should Korea matter? - It has been in the news a lot.

Research Question -
Why is North Korea a tier 3 when the US is only a tier 1? 
- how is the government at fault for why human trafficking is so bad?
- is there anything being done in North Korea to fix the problem? Does the government even care about the issue?
- when did the issue start? when did it become so bad?


Sources -
Human Rights Report 2010
Articles found concerning the topic