What Powers Does the Queen of England Actually Have?

A short while ago we wrote about the fact Queen Elizabeth II needs neither a passport nor driving license thanks to a quirk of British law. But what other powers does the Queen of many titles have and what could she theoretically do if she decided to flex the full might of the authority she wields? As it turns out, thanks to the Royal Prerogative, a terrifying amount if she really felt like it, or, at least, assuming parliament went by the letter of the law and they and the people didn’t decide to stage a little revolt.