In his efforts to retain the border states within the union, lincoln focused his efforts primarily on:
a. maryland.
b. delaware.
c. west virginia.
d. kentucky.
e. missouri.

The correct answer is option D: Kentucky

Explanation:

Kentucky was of significant importane during the Civil war because of the importace of the efforts on the border states especially Kentucky.

One of this reasons was that Kentucky was a state that became neutral sitaution and was not inmerse in the war.

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