Recently, Queen Elizabeth II passed away ushering in the reign

Recently, Queen Elizabeth II passed away ushering in the reign of King Charles III. Do some research on the modern English monarchy.  What are the powers of the monarchy in the United Kingdom and its political entities?  What are the arguments for and against having the monarchy in place in the UK?  Does this impact the larger European region?  What is your opinion on the English monarchy, is it still needed or is it an outdated institution? Cite source