The most common and most likely answer to this crossword clue is the 4 plus 4 letter word WILD WEST
I've seen this crossword clue in The Daily Telegraph
W
I
L
D
W
E
S
T
More clues leading to the result WILD WEST
- Stew made like this on the American frontier?
- Woman garlanded with Oscar vacating set location for Stagecoach?
- Rugged region of old-time American movies
- Place for cowboys that might provide stew?
- Formula for making stew in cowboy territory
- Lawless US region revealed in stew?
- Where the buffalo roamed, what could provide stew?
- The place to find cowboy’s stew
- Craziest world leader invades this lawless place
- Cowboy country's stew
Buddy explains!

The straight part
We know that "Lawless US region" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case lawless us region = wild west.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.