It began in the 1880s but started in the United States and England around 1920s
For Germany the treat of Versailles dealt them a heavy hand. They were imposed land, economic and military restraints as well as forced to pay a great deal of the reparations cost for countries like France. Whom during world war one had received heavy damages.
More specific on territory, Germany's land were split between different nations. Such as the Rhineland which they were prohibited from occupying after losing the war.
Hope it somewhat helps :)
The basis of the division was social class I believe it was devised between the wealthy, middle, and lower class the lower class included slaves and indebted servants
Capitalism is when private owners control the means of production. communism is when the means of production is controlled by the people