“…The concept of revolution has been subject to debate over the years, and there have been many attempts to identify its characteristics and put forward a universally accepted definition (see e.g. Adams, 1913;Arendt, 1963;Cole, 2015;Davies, 1962;DeFronzo, 2014;Dunn, 1972;Eckstein, 1968;Ellwood, 1912;Foran, 2005;Friedrich, 1966;Goldstone, 1994;Goldstone, 2001;Greene, 1990;Gunning & Baron, 2013;Gurr, 1970;Holmes, 1996;Johnson, 1982;Kautsky, 1902;Kramnick, 1972;Kuhn, 1962;Lawson, 2012;Le Bon, 1913;Lynch, 2013;Schrecker, 1966;Selbin, 1993Selbin, , 2006Small, 1912;Tanter & Midlarsky, 1967;Yoder, 1926).…”