Question

English police officers are known as bobbies because:

Answer 1

Bobby is a slang term for a member of London's Metropolitan Police derived from the name of Sir Robert Peel, who established the force in 1829. Police officers in London are also known as “peelers” for the same reason.

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Answer 2

they are called this after a man called Robert peel who was called Bobby as a nickname.

Step-by-step explanation:

they are called this after Sir Robert (Bobby) Peel, who founded Britain's Metropolitan Police Force in 1829, provoking complaints about the infringement of civil liberties