Traditional and Modern Ethics

I am having trouble researching the historical developments of both traditional and modern ethics, as well as what the connection between the two.

Ethics: Definition of Plagiarism & Integrity in Business

Provide a definition of plagiarism. Explain why integrity is important to maintain regardless of the field/business.

Hobbes & Hume

In studying for my final essay exam, I am realizing there are a few things about some of the philosophers that I do not completely understand. One of the things I need to know about is how to compare and contrast the ethics of Hobbes and Hume. What are the basic psychological feelings (according to the two of them) that motivate human action for each man? How does each conceive of morality (right and wrong)?

Kant & Mill

In my philosophy readings on Kant and Mill, I found Kant enlightening, but very difficult to understand in most respects. What I would like to know is what the true contrast between Kant's a priori "duty" and Mill's a posteriori or consequential considerations of "the greatest happiness for the greatest number" (deontology vs. utilitarianism).

MacIntyre & Camus

What does MacIntyre mean in his statement "the good life for man is the life spent in seeking the good life for man" and how is it related to Camus's image of Sisyphus? Why is it that "One must imagine Sisyphys happy"?