Monday. Salmond & Scotland are given full independence and ownership of all the North Sea assets.
Tuesday. England invades and takes all of Scotland's assets.
Wednesday. Scotland ceases to be independent and is annexed as part of the United Kingdom. The English Govt give scotland 50% of what they were used to having as the formula for spending per head is re-written to make it per person, rather than how it is now.
....and repeat 400 years later.