Essays / IR exam with questions: Threats to international peace and security. [2]

Hello all,

I am revising for my IR exam. And I struggle to put my thoughts on paper about threats and International peace and security.
I want to back up with history facts from WWII to Westphelia. My problem is that I cannot write to much as the exam is 2 hours and 15 mintues to answer 3 questions. If you have any suggestions please write to me.

Here is my short plan.

1. Intro

2. Main Body

Security(immigration), violence-human rights. UN Security Council.

3. Terrorism(9/11) and human disaster(East Timor and Kosovo intervention)

4. Conclusion: the greatest dangerous for peace and instability are terrorism, war, lack of state sovereignty(Robert Jackson-failed states)