Now you have a pretty good understanding of the British system, you need to understand its roots the Roman system the base to all modern superpower, industrial countries.
Once you understand that then you will need to understand the United State of America system, virtually the most efficient system in the world. Japan copies almost exactly like America but they mix up their own recipe to work for their people. Vietnamese should do the same understand the root, reverse engineering and add you own recipes. Perfect, eternal peace and prosperity.