The major supporters of 20th century communist revolutions were typically working-class people, peasants, and intellectuals. These groups were drawn to the communist ideology of socialism and collective ownership, which promised to improve their economic and social conditions. They were often marginalized or oppressed by the capitalist systems in place, and saw communism as a way to overthrow the existing power structures and create a more equal and just society. In many cases, these supporters formed political parties and labor unions to mobilize and organize their efforts. Additionally, some intellectuals, artists, and other members of the middle class were also attracted to the ideals of communism, and supported the revolutions through their writings and speeches.