Lincoln The Great Emancipator

Your job is to be the historian, take a stance on the issue, and use historical evidence from your notes, the textbook, and the primary sourcebook This Fiery Trial to substantiate your argument. You will not be graded on your point of view; but rather, you will be graded on how well you employ historical evidence in order to prove your thesis statement and your supporting arguments.
Professionally respond to the following question:

Does Abraham Lincoln deserve the accolade of The Great Emancipator? Say why/why not.