lenin stalin terror marxism encyclopedia - SERP Analysis

https://en.wikipedia.org/wiki/Revolutionary_terror

https://www.encyclopedia.com/social-sciences-and-law/sociology-and-social-reform/sociology-general-terms-and-concepts/stalinism

https://www.marxists.org/history/erol/ca.firstwave/cpl-terrorists.htm

https://www.encyclopediaofukraine.com/display.asp%3Flinkpath%3Dpages%255CM%255CA%255CMarxism6Leninism.htm

https://www.newworldencyclopedia.org/entry/Vladimir_Lenin

https://www.britannica.com/place/Soviet-Union/The-U-S-S-R-from-the-death-of-Lenin-to-the-death-of-Stalin

https://courses.lumenlearning.com/suny-hccc-worldhistory2/chapter/life-in-the-ussr/

https://www.loc.gov/exhibits/archives/intn.html

https://ww2.jacksonms.gov/libweb/ITH8gh/278051/LeninVsStalinVennDiagram.pdf

https://historyguild.org/life-in-the-ussr/%3Fsrsltid%3DAfmBOopNBHDUSXZWP123HqBWdScn9j3H0NeHJQXpAM73zidpKIWSZkRE