was he assassinated?
Yes
Abraham Lincoln
At 10:14 pm, Booth entered the back of Lincoln's theater box, crept up from behind, and fired at the back of Lincoln's head, mortally wounding him. 
who is exulting in o captain my captain UNANSWERABLE is this a novel? No, "O Captain! My Captain!" is an extended metaphor poem who is its poet? Walt Whitman what is the poem about? Death of U.S. President Abraham Lincoln when did lincoln become president? 1861 what was his profession? Lawyer was he also a part of military? Yes, Lincoln led the nation through the American Civil War what was his religious belief? Lincoln subscribed to the Doctrine of Necessity, a belief that the human mind was controlled by a higher power
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Abraham Lincoln [SEP] Assassination
President Johnson was sworn in the next morning. Two weeks later, Booth was tracked to a farm in Virginia, and refusing to surrender, he was mortally shot by Sergeant Boston Corbett and died on April 26. Secretary of War Stanton had issued orders that Booth be taken alive, so Corbett was initially arrested for court martial. After a brief interview, Stanton declared him a patriot and dismissed the charge.