Method of fighting (6,7)
I believe the answer is:
trench warfare
(Other definitions for trench warfare that I've seen before include "combat in the field" , "Combat from dug-in positions" , "Combat on Western Front in WW1" .)
I've seen this clue in The Independent.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free.
Check out my app
or
learn more
about the Crossword Genius project.