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