What does the cryptic crossword clue "People in America pursue legal redress in hearing (5)" mean?

The definition is "People". The wordplay uses a homophone (sounds like). Sounds like (in hearing) ‘sue’ (pursue legal redress) The answer is SIOUX.

People in America pursue legal redress in hearing (5)

Guardian Cryptic #29214 | 16 Down | 2023-10-30 flower