The United Kingdom is a 1)_____________ monarchy. The British royal family is now a 2)_____________ of national cohesion. It is the highest endorsement group of British values, but it does not have substantive 3)_____________. The king or queen is the nominal Supreme 4)_____________. The marriage of the British royal family is of great significance and has always been subject to royal norms. Some of these marriages have even 5)_____________ changed the course of the country, especially the king or queen.