B. His strict and superstitious teaching methods isolate him, and his opportunistic pursuit of wealth leads to his downfall.
Ichabod Crane's methods of teaching and his approach to life in "The Legend of Sleepy Hollow" contribute to his alienation from the community and ultimately to his downfall. His focus on strict discipline and superstition does not endear him to the locals, while his ambition for wealth through courting wealthy women further isolates him.