After returning to Russia, Kropotkin was captured and imprisoned. But his life took many turns from there, and in 1902 he published his book book “Mutual Aid: A Factor of Evolution.”
Research:

Peter Kropotkin's Mutual Aid, Part 1
45:03

SYMHC Classics: Haymarket Riot
37:40

Behind the Scenes Minis: Serving Lip and Ethics
26:19