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