See this book for an argumentation for this claim. https://en.wikipedia.org/wiki/Against_the_Grain:_A_Deep_History_of_the_Earliest_States https://en.wikipedia.o

See this book for an argumentation for this claim. https://en.wikipedia.org/wiki/Against_the_Grain:_A_Deep_History_of_the_Earliest_States https://en.wikipedia.org/wiki/Against_the_Grain:_A_Deep_Hist...