What does the cryptic crossword clue "Teens seen squabbling in U.S. state (9)" mean?

The definition is "U.S. state". The wordplay uses an anagram. anagram of TEENS + SEEN = TENNESSEE; definition: "U.S. state" The answer is TENNESSEE.

Teens seen squabbling in U.S. state (9)

Daily Mail Cryptic #17135 | 16 Down | 2023-07-06 flower