Canada's Department of External Affairs, Volume 2In 1946, with its own minister for the first time, the Department of External Affairs embarked on a period of impressive growth and assumed responsibility for a broader range of foreign policy issues than ever before. Under the expert guidance of Lester Pearson, for a decade the department enjoyed popular and parliamentary consensus about international interests. The election of the Diefenbaker government in 1957 deprived the department of Pearson's