Complex sentence: Somewhat confusingly, the U.S. territories of the Northern Marianas and Puerto Rico are also referred to as commonwealths, and that designation does have a legal status different from that of the 50 states.
Split into simpler sentences: Somewhat confusingly, the U.S. territories of the Northern Marianas and Puerto Rico are also referred to as commonwealths. This designation does have a legal status different from that of the 50 states.