I share your sense that there is an unsettling in the balance of the world order at present. However, I completely disagree that non-violence has no place in the absence, and I enter into evidence the Satyaagraha movement in British India in the interwar period, especially the leadership of Mahatma Gandhi.

For just one example, see his response to the Massacre of Jallianwalla Bagh, which happened around the time of the end of WWI.

https://www.mkgandhi.org/storyofg/chap18.php

Non-violence formed a backbone of the Indian independence movement until independence was achieved at the close of WWII in 1947.