Complex sentence: In 1937 she took a job as secretary to Margaret (Mrs. Alfred) Watt, head of the Associated Country Women of the World, travelling extensively throughout the world accompanying Watt to various conferences.
Split into simpler sentences: In 1937 she gained employment as the secretary to Margaret (Mrs. Alfred) Watt, head of the Associated Country Women of the World. Smart travelled extensively throughout the world accompanying Watt to various conferences.