He would write "Imperialism: The Specter of the Twentieth Century" in 1901.[1] In 1911, 12 people, including Shusui Kotoku, were executed for their involvement in the High Treason Incident, a failed plot to assassinate Emperor Meiji.[2] Also executed for involvement with the plot was Kanno Suga, an anarcho-feminist, and former common-law wife of Shusui.