If English comes from England, why is it that I CAN’T UNDERSTAND half the population there?

(Photo credit http://bit.ly/VMWFWS) If you have ever been to England you will understand what I mean when I say ‘If English comes from England, why is it that I can’t understand half the population there?”   And I’m a native speaker! It’s all to do with their accent. My ancestors all came from some different part…