"I know the classics are important, I read mostly modern novels, I think modern literature is <span>more interesting" would be a run-on sentence, since this sentence is really dealing with three separate ideas (separated by the commas) that should be separated into different sentences. </span>
They’re both very different and two different wars
Abraham Lincoln was assassinated by John Wilkes Booth. Booth shot Lincoln during a play at Fords Theatre in Washington DC and Lincoln later died at Peterson House in Washington.
Where answers B, C and D have inaccuracies in one or more parts, answer A is the only correct answer.