What does the phrase “and the careful monitoring of surplus” imply about the Fertile Crescent

Emmer wheat, barley, chickpeas, lentils, and many other crops were planted, harvested, and sent to the temples where food supplies were stored. From c. 3400 BCE, the priests of the temple complexes were responsible for the distribution of food and the careful monitoring of surplus for trade.

I hope this somewhat helps?

answer; ratification;

using the bering strait was the best transportation system.