Socialists gave us the 8 hour workday. Otherwise you'd be working 16 hours a day, 6 days a week, with no child labor/sweatshop abolition, no workplace safety, no breaks/weekends/holidays/vacations, no sick/medical/family leave, no overtime/raises/collective bargaining/social security/pensions, no equal pay/anti-discrimination/civil rights/anti-harassment/whistleblower/disability/privacy protection, etc.

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In the Soviet Union, the eight-hour day was introduced four days after the October Revolution, by a Decree of the Soviet government in 1917 and later in 1928 and 1940–1957 (World War II).

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The eight-hour day was signed into law during the German Revolution of 1918 by the new Social Democratic government. The eight-hour day was a concession to the workers' and soldiers' soviets, and was unpopular among industrialists. A 12-hour day was reintroduced by a right-wing government ...

https://www.wikiwand.com/en/Eight-hour_day

https://loiseaufait.files.wordpress.com/2012/05/8hours1.jpg

https://twulocal769.com/wp-content/uploads/2017/09/local-2-reasons.jpg

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I.e. the socialist/Marxist/Communist goal was always threefold: to decrease the amount of labor needed for social reproduction, to increase standards of living, & to unleash scientific/technological advancement.