It was invented in the United States, but there is a British version.
Mayfair is the most expensive property in British Monopoly.
That's easy Old Kent Road in British Monopoly.
£400
British
Old Kent Road
It favored keeping a monopoly on new technology
The British version is based on London, UK. There is no 'Atlantic City' in Britain.
Old Kent Road
old kent road
According to this link the rent is £60.
Armed forces
sole control or a monopoly