Oracle bones were used during the Shang dynasty to predict the future. The bones were used to process fortune-telling. They were used by Shamans, religious consultants that collaborated with gods and mythical people. The Shamans used the bone's cracks to demonstrate patterns or blemishes to anticipate the future.
Is to create fear (extra words because answer is too short)
Well it depends on what you are talking about.
Answer:
-2.3u -5 is the answer for the question