Moral Obligation

I need to develop a personal philosophy relating to this topic.  “What is moral obligation? What is the extent of our moral obligation to other people and other living things?”  I need a description of the principle issues within this topic.  What are some issues people may have with my topic? Name some historical views that support the theory of the above topic.

If possible, can the above request be presented on PowerPoint slides?  

Please cite all references.