On the Edge of Greatness: Volume III, 1952-1957During this period Secretariat employees came under scrutiny by un American activities committees in the United States and Dag Hammarskjold replaced Tryve Lie as secretary general. With a mandate to cut back on the size of the Secretariat, Hammarskjold was unsympathetic to the aims of the Human Rights Division. The Social Department was merged with the Department of Economic Affairs and human rights activity was redirected from producing a covenant on