Answer:
Lincoln exempted the border states from the proclamation because he didn't want to tempt them into joining the Confederacy. Because the proclamation was a temporary war measure, it later had to be codified into law with the 13th Amendment to the Constitution.
Explanation:
A topic that can be about a turning point in America, or its history, can be for example "How the emancipation proclamation paved way for equality". That is because many groups of citizens were inspired by this to fight for their own rights, groups like women or the lgbt population who asked for their own civil rights like the African-Americans had been guaranteed by amendments.
Elisha P. Ferry
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