Complex sentence: Originally founded in Hawkhurst, Kent in 1913 by William Rootes as a car sales company, the firm moved to Maidstone by the First World War and, during the war, was involved in the repair of aero engines.
Split into simpler sentences: Originally founded in Hawkhurst, Kent in 1913 by William Rootes as a car sales company. The firm moved to Maidstone by the First World War, and during the war was involved in the repair of aero engines.