Answer:
A barrier to learning is anything that prevents learners from fully engaging in learning.
Answer:
What is the question? you only gave answers.
Answer:
They are usually set in victorian era town with a gothic twist on them, i.e dark dingy alleys, low light sources like gaslamps and candles, and it usually gives off a creepy vibe, as the rest of gothic cultures in literature is known for.
The other factor is location/place