I think the answer is commas.
i would think A? before taking my answer maybe wait for a second opinion :)
The entire nation
Both the north and the south.
Answer:
The skill encourages self-reflection as well. It helps facilitate the examination of our own beliefs in comparison to those held by others.
The meaning of this saying is that a person should always keep an eye on people who are malicious so that they don't mess with their life.
