Which is one extraneous detail from this passage? “Several key human errors contributed to the spread of the Chicago fire of 1871.” “Finally, as the blaze raged on, fireman John Dorsey attempted to sound a special alarm, but accidentally sounded a general alarm.” “Even after the fire, Brown was confident in his decision not to correct the mistake.” “When Schaffer realized his mistake, Brown flat-out refused to strike the correct box.”