Sorry, I don't know what the answer to this question is
It is important to verify every fact and argument that you find during research. Citing inaccurate evidence defeats the purpose of using it to support or explain the subject which you are researching.
D. verify
"The long haul" represents life.
Answer: look the word up in a key reference work of that discipline.
Explanation: When referring to disciplinary insight, We might regard this to mean a well thought inference or conclusion made about a certain research work or problem after thorough consideration and analysis by professionals or experts in that field. Drawing disciplinary insight requires careful and effective study due to the ambiguities or overlap which may seem to occur in the evidences, words or supporting statements the supporting statements which makes the need to verify and confirm the actual meaning of texts or words in previous researches in that same discipline. This ensures a clearer and broadened knowledge which is required for drawing disciplinary insights.