How does the function of mitigation differ from the other emergency management disciplines?, discussion help

In the following discussion thread each student must answer at least 2 of the following questions in DETAIL that have NOT already been answered by How does the function of mitigation differ from the other emergency management disciplines? Why is it more difficult to analyze, and therefore mitigate, the effects of terrorism? At what government level are mitigation programs most effective and why? Mitigation is intended to reduce the harm caused by a disaster. When insurance is used as a mitigation tool, what happens to the harm? Describe the impediments to mitigation that an emergency manager must be aware of and why? What is the most effective, but also most expensive land-use planning tool? Why is it so effective? How would building codes benefit a community in mitigation and what problems does this tool have? Describe how GIS works as a mitigation tool and what are its short comings and how can they be overcame? What are the steps of mitigation and provide examples of its use in your community?