Remember your words when you are having your Tea or Coffee (China/India/Africa/South America/Caribbean). Or a nice bit of chocolate (South America/Africa). Or light your gas fire/cooker (North Sea/Middle East). Or start your petrol/diesel vehicle (The Americas/Africa/Middle East). None of these products come from EU/Europe.
The UK established trade routes centuries ago with countries all over the planet. Are you seriously suggesting that to recreate a trade route - which began when sail was the only means of propulsion - is impossible nowadays? Absolute rubbish.