> The King must follow the advice of his ministers. <
You’re right about that. But I’m no expert. Is that a law or tradition?
Charles is weak, a nothing. But let’s say Charles issues a proclamation dissolving Parliament, and he calls for a new election.
What would happen? I suppose Parliament would ignore the King, and carry on destroying the country. And then Charles would be humiliated.
But it would make for a good novel. The UK is going to hell. So the King dissolves Parliament. Parliament refuses. So the King calls out the army, and dissolves Parliament the hard way.
Good reading that would be.
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Unwritten tradition, which in the Westminster system is ironclad constitutional law dating to the 18th century.
The King MUST appoint as Prime Minster the individual who can command a majority of the House of Commons. Until this Parliament expires, that is the leader of the Labour Party.
The King MUST, in his official duties, act on the advice of that Prime Minister and government.