Complex sentence: Lewis Yelland Andrews was the British district commissioner for the Galilee whose assassination on September 26,1937, caused the the Britain to respond by outlawing the Arab Higher Committee and the arresting of its members.
Split into simpler sentences: Lewis Yelland Andrews was the British district commissioner for the Galilee. On September 26,1937, Andrews was assassinated which caused the the British to respond by outlawing the Arab Higher Committee and the arresting of its members.