Who is group rose to power after ww1?

After World War I, several groups rose to power in various countries, notably the Bolsheviks in Russia, who established a communist regime following the October Revolution in 1917. In Germany, the Weimar Republic faced political instability, leading to the rise of the Nazi Party under Adolf Hitler in the early 1930s. Additionally, in Italy, Benito Mussolini and his Fascist Party gained power in 1922, capitalizing on social unrest and economic challenges.