State of western USA (4)
I believe the answer is:
utah
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">state of western usa</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for utah that I've seen before include "Brigham Young's state" , "The American Mormon state" , "US state N. of Arizona" , "America's Mormon state" , "Brigham Young state" .)