What Power Does The Queen Of England Have?

Domestic Affairs

The appointment and dismissal of ministers;

The summoning, prorogation and dissolution of Parliament;

Royal assent to bills;

The appointment and regulation of the civil service;

The commissioning of officers in the armed forces;

Directing the disposition of the armed forces in the UK;

Appointment of Queen's Counsel;

Issue and withdrawal of passports;

Prerogative of mercy. (Used to apply in capital punishment cases. Still used, eg to remedy errors in sentence calculation)

Granting honours;

Creation of corporations by Charter;

Foreign Affairs

The making of treaties;

Declaration of war;

Deployment of armed forces overseas;

Recognition of foreign states;

Accreditation and reception of diplomats.