Trade barrier, easier to raise taxes

Protect the rich farming land to the south (which raised money for taxes) from occasional raids as well

Or, Hadrian just bloody felt like it, because he was the Emperor and he could make them do what he wanted, so he said "Build a f**king great 70 mile wall from coast to coast and sharpish, I want it down by the time I'm back in Rome" and then sat giggling in his tent wondering if they were really going to do it and thinking "It's bloody great being Emperor, I can say whatever I want and no-one says 'Don't be f**king stupid, Hadrian' any more"

Posted By: Old Git, Jan 22, 14:32:45