Réponse :
Bonjouuuuur !
Elizabeth II is a constitutional monarch; that is she is Britain head of state.
Her role is mostly symbolic.
According to the royal website, her primary role is as a focus on national unity.
She is the queen of 16 former British colonies
The queen has the right to rule: the people of Britain are not citizens, but subjects of the monarch.
Although the Queen is politically neutral
to sign treaties and to declare war.
The Government is led by the Prime Minister, who chooses the other Ministers.
;)