“…Here, we present the model founded on the ideas described above, as well as in Part 1 of the Supporting Online Materials, and on our earlier general models of development of the World System (Korotayev 2005(Korotayev , 2006c(Korotayev , 2006d(Korotayev , 2007a(Korotayev , 2008(Korotayev , 2009(Korotayev , 2012(Korotayev , 2013(Korotayev , 2018(Korotayev , 2020bKorotayev, Malkov, Khaltourina 2006a, 2007Korotayev, Malkov 2012Grinin 2006Grinin , 2007aGrinin , 2011) and some ideas of the theory of dynamics of collective solidarity (asabiyyah) 5 formulated by Peter Turchin (2003Turchin ( , 2005Turchin ( , 2007.…”