Answer:
The pestle in the podcast based on two elements that was the animals raising and plant development.
Step-by-step explanation:
The art piece were used to raise the animals and plants. When the art piece were used to raising the plant and animals, it would be the most important part of the development in the history of human beings.
When people start to develop or raise these two things in their life they start to live at one place. As in the history human beings moves from one place to another place in searching for food.
It was a great deal for human beings to move from one place to another but because of raising these two things they start their new journey of life.