What Are the Three Major Reasons for Government Intervention into a Particular

What are the three major reasons for government intervention into a particular problem? Select a substantive issue/problem (e.g., social Security, environmental policy, addressing the recession, etc.) and discuss why the government may intervene for each of the reasons identified. Discuss political, moral/ethical, and market failure reasons for government intervention and what these are. Select any issues (e.g., environmental) and discuss how one might interpret government intervention from each of these reasons.