During the First and Second World Wars the Commissioners took on a variety of duties relating to providing services to Edmontonians, serving as liaison for the delivery of Federal initiatives, and monitoring threats to civilians and the nation. Some post-war activities also generated the records found in this series. Subjects include air raid precautions, civil defense, military matters, rationing, immigration, deportation, and subversive activities, as well as the construction of the Cenotaph and Memorial Hall.