Ids and it is obstacle to African development

I want this paper to compare at least 3 countries in africa… and I want this countries to be South Africa and Ethiopia and sierra leone. I also want a bibliography in MLA Style. In this paper I want to focus on how Aids is effecting Africas development things like the GDP in these counties and the direct effect of this development. and also how they are dealing with it and also overcoming this situations. spacially how this three countries combated Aids.