he drew a line diagonally across the country from the Thames to the old Roman road of Watling Street. The land to the north and east would be known as the Danelaw and would be under Danish rule. The land to the south and west would be under West Saxon, becoming the core of the new England. This was no cosmetic exercise. No one was allowed to cross the line, save for one purpose — trade. This act of commercial realism would more radically change the structure of the English language than anything before or since. Trade refined the language and made it more flexible.
