15. What happened to Lincoln 6 days after the Civil War was over? A. He was Re-elected
B. He resigned from office
C. He declared the nation re-united
D. He was assassinated

An hour after dawn the next morning, Abraham Lincoln died, becoming the first president to be assassinated. His body was taken to the White House, where it lay until April 18, at which point it was carried to the Capitol rotunda to lay in state on a catafalque.

Explanation:

D

Explanation:

He was assassinated.

- "it was a failure that was an embarrassment for the kennedy administration."

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declare war, appoint military officers, sign treaties, make alliances