Answer:D. A difficult decision he made
explanation: he had to make earnest and successive appeals to the border states he needed military emancipation and having black people to participate was going to be required which was going to bring controversy.
President Lincoln describe had to make earnest and successive appeals to the border states as the highlight of his Presidency.
He had to make genuine and successive pleas to the border states he needed military freedom and having black people partake was going to be required which was going to bring controversy.
Lincoln expanded presidential powers, increasing the size of the army, promoting arrests, and censoring anti-union media stances.
Thus, option "A" is the highlight of his Presidency.
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