Controlling monetary policy under gold standard

[Rani khan]

How would a country control its 'monetary policy' under the 'gold standard'?

and

In Ancient times why was gold a more likely candidate for use as money than milk was?

plz i need urgent reply

[mjawad]

Some of your questions will be answered here

http//www.youtube.com/watch?v=MPXH7g_WCek