 
 <prompt> Wetin di force don achieve for history? Based on di last question, write one context wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: With di initial investment of £4,200, di new trial force of di Thames River Police begin with about 50 men wey dem charge to police 33,000 workers for di river trades, of whom Colquhoun claim say 11,000 na known criminals and "on the game." Di force na success after one year, and im men don "establish their worth by saving £122,000 worth of cargo and by di rescuing of several lives." Word of dis success spread quick quick, and di government pass di Marine Police Bill on 28 July 1800, transforming am from private to public police agency; now di oldest police force for di world. Colquhoun publish one book on di experiment, The Commerce and Policing of the River Thames. E find receptive audiences far outside London, and e inspire similar forces for other cities, notably, New York City, Dublin, and Sydney. 