Note to players: specific answer required. According to Oswald Spengler, these things form when “cultures suddenly become rigid.” Carroll Quigley’s (10[1])work titled (-5[1])for The Evolution of these things describes a process by which these things convert instruments into institutions. Arnold Toynbee (10[1])examined 19 of these things in A Study of (10[1])History. Bernard (10[1])Lewis predicted a conflict between two of these things (10[1])in his article (-5[1])“The Roots of Muslim Rage,” (10[4])which influenced (10[2])a later work (10[1])that describes (10[1])Mexico (10[1])and Russia as “torn” between these (10[1])things. (10[1])Political (10[1])scientist (10[1])Samuel Huntington is best known (10[1])for a (10[1])book responding (10[1])to Francis (10[1])Fukuyama in which he posits that future wars will feature a (-5[1])“clash” (-5[1])of these things. (10[5]-5[2])For 10 points, (-5[1])name (-5[1])this term for complex societies, (10[1]-5[1])such (10[1])as “ancient” ones in Mesopotamia (10[1]-5[1])and the (10[1]-5[1])Indus River Valley. (10[2])■END■ (10[12])