The way Nazis made progress? (5-4)

I believe the answer is:

goose step

(Other definitions for goose step that I've seen before include "Manner of marching, keeping the legs straight" , "See stop-go kind of military march" , "Straight-legged march" , "Type of military march" , "way to progress in the military" .)

I've seen this clue in The Guardian.

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