Question: Where was the movement that Eric Campbell is the leader of formed?

Context paragraphs:
Wayland Trask, Jr.: Wayland Trask, Jr (July 16, 1887 - November 18, 1918) was a silent film comedian who was a member of Mack Sennett's stock company of actors.  Trask also had a theatrical background appearing in at least two Broadway plays before turning to screen comedy.  He died at the end of 1918 in the Spanish Influenza pandemic eleven months after the disease had taken his mother.  Trask's father was a stockbroker who died in 1905.  Trask also had two sisters.  In looks he was tall like Chaplin's co-star Eric Campbell and resembled the later Sennett comedian Kewpie Morgan.  Some of his performances in Sennett comedies survive such as "Bombs" (aka "Bombs and Brides").

Eric Campbell (political activist): Eric Campbell (11 April 1893 – 2 September 1970) was a solicitor in New South Wales, Australia and the leader of the New Guard Fascist movement.

Eric Fernie: Eric Campbell Fernie (born 9 June 1939, Edinburgh) is a Scottish art historian.

New Guard: The New Guard was formed in Sydney, Australia in February 1931 as a paramilitary offshoot from a conservative tradition defending loyalty to King and Empire, sound government, law and order, individual liberty and property rights.  In particular, the movement was formed in response to the policies adopted by Jack Lang, the leader of the Labor Party and Premier of New South Wales It was led by Lt. Colonel Eric Campbell, a First World War veteran.  The New Guard declined rapidly following Lang's dismissal in May 1932, with its remaining members becoming increasingly inclined towards fascism.  Still led by Campbell, the movement unsuccessfully attempted to enter parliament at the 1935 state election (running as the Centre Party), but disbanded completely shortly after.

Centre Party (New South Wales): The Centre Party, occasionally referred to as the Centre Movement, was a short-lived political party that operated in the Australian state of New South Wales.  Founded in December 1933, the party's leader and most prominent figure was Eric Campbell, the leader of the paramilitary New Guard movement.  That organisation had been established to oppose what its members perceived as the socialist tendencies of Jack Lang, the Premier of New South Wales, but declined following Lang's dismissal in early 1932.

Campbell Tait: Admiral Sir William Eric Campbell Tait (12 August 1886 – 17 July 1946) was a senior British naval officer, courtier and the fifth Governor of Southern Rhodesia, serving from 1945-46.

Cambridge by-election, 1917: The Cambridge by-election of 1917 was held on 25 July 1917.  The by-election was held due to the resignation of the incumbent Conservative MP, Almeric Paget.  It was won by the Conservative candidate Sir Eric Campbell Geddes, who was coming in as First Lord of the Admiralty who was unopposed due to a War-time electoral pact.

Eric Campbell Geddes: Sir Eric Campbell Geddes (26 September 1875 – 22 June 1937) was a British businessman and Conservative politician.  With a background in railways, he served as head of Military Transportation on the Western Front, with the rank of major-general.  He then served as First Lord of the Admiralty (with the rank of vice-admiral, despite its being a political position) between 1917 and 1919.  He then served as the first Minister of Transport between 1919 and 1921, in which position he was responsible for the deep public spending cuts known as the "Geddes Axe".

Behind the Screen: Behind the Screen is a 1916 American silent short comedy film written by, directed by, and starring Charlie Chaplin, and also starring Eric Campbell and Edna Purviance.

Eric Campbell (reporter): Eric Campbell is a prominent Australian foreign correspondent.  He works predominantly for the Australian Broadcasting Corporation (ABC), and was the station's Moscow correspondent from 1996 to 1999.  Campbell has covered many important and dangerous events in recent political history, writing a book detailing some of his most bizarre experiences as a foreign journalist, titled "Absurdistan".

Supporting paragraphs: Eric Campbell (political activist) New Guard
Answer: Sydney, Australia