How did the creation of reliable food supply lead to political changes during the neolithic revolution

We can affirm that one of the most significant changes was the production of reliable food in the fertile valleys, when the production was increasing they began to appreciate the surpluses and this allowed the growth of the settlements, in this way little by little, the settlements were transformed in villages and in this way the property was born, with this the political class that initially sought to regulate the trade of surpluses appeared.

the answer is a, salt plain

this is a good question! i'll do some research and come back when i have the answer!