Original sentence: The urban district formed part of the London Traffic Area from 1924 and the suburban expansion of London caused an increase in population during the 1930s.The urban district was expanded further in 1934, taking in Havering-atte-Bower and Noak Hill
Edited sentence: The suburban expansion of London caused an increase in population during the 1930s and the urban district was expanded further in 1934, taking in Havering-atte-Bower and Noak Hill.The urban district formed part of the London Traffic Area from 1924 and the London Passenger Transport Area from 1933