Yes that is what lincoin thought of slavery
These thinkers valued reason, science, religious tolerance, and what they called “natural rights”—life, liberty, and property. Enlightenment philosophers John Locke, Charles Montesquieu, and Jean-Jacques Rousseau all developed theories of government in which some or even all the people would govern.
I think the answer for this one is C.
I beleive your answer is D it was one of the most fortified islands in the island hopping campaign.