Jung condemned Nazism much more strongly and became a spy for the Allies. Jung was hyper-Socratic in all his therapeutic aims, seeing the spiritual development of the psyche as the critical factor in the prosperity of future society. War itself, Jung believed, was caused by the sum of individuals not taking the process of shadow integration seriously, and in the aftermath of the First World War he predicted an even greater calamity would befall Western civilization, warning in impressive detail of the impending conflict.

