The monetary policies are adjusting the amount of money in circulation in the country. These types of policies are implemented usually by the Central Bank of the country. When there's bigger amount of money let in circulation it means that the currency of the country will lose on value, and vice versa, if the amount of money let in circulation is reduced than the value of the currency of the country will increase.
The economic stability that lead to the neolithic revolution was: C. Political systems
Economic stability lead to a situation when people no longer wanted to use violence toward one another when they want to obtain a certain type of resources. This is why a political system to create a regulator was made during the neolithic revolution.