What are the fundamental differences between positive and negative rights?

What are the fundamental differences between positive and negative rights? What kind of rights does John Locke advocate? What purpose does he see them as serving in life? Name an important human rights issue, and explain why you consider it to be so significant. What grounds would you cite to justify why others should respect this human right? In what way does human rights talk compliment moral inquiry? In what way do you think that human rights talk hinders real advances in moral discourse? Using either abortion orcapital punishment, show how this issue is typically couched in terms of conflicting human rights. What grounds are given to defend the opposing sides? Which side would you support and why?