Because of the impact or what it resulted in.
In Antigone, the protagonist was developed through her statements regarding the death of his brother. Antigone is the protagonist. She spoke to her sister about burying their brother who was dishonored by Creon. This is the way of the author to develop the characters and introduce them to the audience.
Hope this helps !!
A domesticate is when you get an animal and keep it for farm produce.
For example, you get a chicken to produce eggs for your farm.
It is significant because we got more resources