History of the Metropolitan Police Service established a second and more effective committee, and acted upon its findings. Robert Peel, believing that the way to standardise the police was to make it an official paid profession, to organise it in a civilian fashion, and to make it answerable to the public. After he presented his ideas to Parliament, they were approved and made official with the Metropolitan Police Act of 1829. During the early 19th century, the Industrial Revolution witnessed London becoming larger geographically and more significant economically. It became clear that the locally maintained system of volunteer constables and "watchmen" was ineffective, both in detecting
History of the Metropolitan Police Service and non-commissioned career streams. Perhaps Trenchard's most well known achievement during his time as Commissioner was the establishment of the Hendon Police College which originally was the institution from which Trenchard's junior station inspectors graduated before following a career in the higher ranks. When Great Britain entered World War II on September 3, 1939, the strength of the Metropolitan Police stood at 18,428, which was 900 officers short of full strength. Due to the increased responsibilities of the police during war-time, three reserve groups were mobilised. The first consisted of 2,737 ex-police pensioners who were re-engaged, a second of 5,380