As you can read at the following Spectator article, a British magazine which was published almost two centuries ago, since the oil and natural gas fields of the North Sea were discovered in the 1970’s, the Scottish people started demanding Scotland’s independence. With red and green dots you can see the gas and oil fields.

Map 1

http://www.spectator.co.uk/features/6937858/salmonds-treasure-map/

Map 2

http://vungtauoil.com/wp-content/uploads/2013/10/northsea-vungtauoil.jpg