Complex sentence: This configuration of steam locomotive is most often referred to as a Mikado, frequently shortened to Mike, but at times it was also referred to on some railroads in the United States of America as the McAdoo Mikado and, during World War II, the MacArthur.
Split into simpler sentences: This configuration of steam locomotive is most often referred to as a Mikado, frequently shortened to Mike. At times it was also referred to on some railroads in the United States of America as the McAdoo Mikado and, during the Second World War, the MacArthur.