Could you rephrase this question?
Some factors of the Great Depression were the burst of the 1920s credit bubble in the United States as well as the overinflated investing market during the same decade. It helped cause WW2 by radicalising Germans (really by the Nazis) against the rest of the world who they already blamed for their troubles during the 20s.
With new technological advancements there was no longer a need for as many workers and companies could now pay workers less due to the job being easier, in some countries such as England or the US this lead to revolts and rebellions, the likes of which paved the foundation of communism
