Complex sentence: In 1938, Guangzhou fell to the hands of the Japanese, Hong Kong was considered a strategic military outpost for all trades in the far east, though Winston Churchill assured that Hong Kong was an "impregnable fortress".
Split into simpler sentences: In 1938, Guangzhou fell to the hands of the Japanese, Hong Kong was considered a strategic military outpost for all trades in the far east. Though Winston Churchill assured that Hong Kong was an "impregnable fortress".