Force introduced to subdue entire Celtic region

This crossword clue is for the definition: Force introduced to subdue entire Celtic region.
it’s A 47 letters crossword puzzle definition.
Next time, when searching for online help with your puzzle, try using the search term “Force introduced to subdue entire Celtic region crossword” or “Force introduced to subdue entire Celtic region crossword clue”. The possible answerss for Force introduced to subdue entire Celtic region are listed below.

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Possible Answers: CORNWALL.

Last seen on: The Guardian – Cryptic Crossword No 28,240 – Sep 16 2020