Sounds interesting. I haven't heard of it - have you?
Westfront 1918: World War I with a remarkable lack of sentimentality and a visceral clamor of shouts and explosions. A cosmopolitan and protean filmmaker, Pabst (1885-1967) was attracted to naturalism as well as to big issues. “Westfront” was hailed as the first German talking picture to concern the war as well as the first German feature to represent life in the trenches.
https://www.nytimes.com/2018/03/23/m...w-on-disc.html