 
 <prompt> ```Why di success of di force spread quick? Given di previous question, write a context wey contain di answer. E fit be 1 - 20 sentences. Context:``` <response>: ```Wit di initial investment of £4,200, di new trial force of di Thames River Police start wit about 50 men wey dem charge to police 33,000 workers for di river trades, of whom Colquhoun talk say 11,000 na known criminals and "on the game." Di force bin dey successful afta di first 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 book on di experiment, The Commerce and Policing of the River Thames. E find receptive audiences far outside London, and inspire similar forces for other cities, notably, New York City, Dublin, and Sydney.``` 