Original sentence: Headquartered in Halifax, he commanded all Allied air and naval forces involved in convoy protection in that area, and affectively ran the convoy system from Canada to the coast of Ireland until the end of the war with Germany in 1945.On 1 April 1943 Murray was made Commander-in-Chief Canadian Northwest Atlantic
Edited sentence: As a direct result of the Atlantic Convoy Conference of 1-12 March 1943, where it was agreed that the US Navy would concentrate on the South Atlantic leaving Canada and the UK to cover the North Atlantic, on 1 April 1943 Murray was made Commander-in-Chief Canadian Northwest Atlantic.Headquartered in Halifax, he commanded all Allied air and naval forces involved in convoy protection between Canada and the coast of Ireland until the end of the war with Germany in 1945