Alright, I can'y see the cartoon, but I would assume it is talking about the judiciary review which is the ability to determine what is legal in terms of the constitution.
The earliest civilization in the Aegean region emerged on the large island of Crete, southeast of the Greek mainland. (Ch. 4/Pg. 75: The Essential World History-Volume I: To 1800: Third Edition-William J. Duiker & Jackson J. Spielvogel).
The Mexican American War heightened tensions over slavery in that there were many disagreements over whether the new territories won from Mexico should be free or slave territories. The Wilmot Proviso, created to solve the problem, ended up slitting parties on regional areas.
Good luck :)