It depends on the monarchy, but assuming a democracy, the monarch invites the leader of the winning party to form a government - so although, in principle, the monarch could pick anyone, in practise they pick the person who can command a majority of seats in the government.
A monarchy.
New Zealand is a parliamentary democracy with a constitutional monarchy as head of state. This means that the most powerful institution is our democratically elected parliament, which chooses the executive (the Prime Minister and cabinet), while a ceremonial head of state with limited powers "reigns".
Monarchy
monarchy
constitutional monarchy
constitutional monarchy
Royal government is a Monarchy or where the head or titular head is a King Queen or Emperor.
Canada is both a democracy and a constitutional monarchy. The Queen is Canada's head of state.
A constitutional monarchy is a form of government in which a monarch acts as head of state within the parameters of a written
England has a Constitutional Monarchy.
In a monarchy, the head of the government is either king or queen. They are responsible for making the decisions in a monarchy.
The constitutional monarchy is comprised of a parliamentary head of government and a head of state chosen from the royalty. Thus in 1791 a prime minister would have been the head of government and the king or queen would serve as head of state in the country.