It's like a theme or assesment. Such as poetry. You might study it for a while, and then move on to another subject. Example: I studied poetry for 3 weeks, then I moved on to...... blah blah blah. Get it?
Answer:the answer us the last one of the choices
Explanation:
Answer: I believe the answer is that they both use colloquialism, which creates a sense of realism.
Explanation: I had a passage about them, and it stated that the way they were alike is; "Like Twain, Crane also uses dialect or colloquialism that is a convincing reflection on the setting." Please let me know if I was right or wrong. Hope this helped! :)