Explain and evaluate Humes treatment of cause and effect. (What is causation? How do we know about it? etc.)

Instructions:

This essay should be a philosophy-type essay.
The only source for this essay should be David Humes An Enquiry Concerning Human Understanding.
The essay should be at least three total pages.
The topic is:     Explain and evaluate Humes treatment of cause and effect. (What is causation? How do we know about it? etc.)