In Nash's example, when the most beautiful girl and her friends walked into a club, the most rational decision was for no one to ask the most beautiful one to dance, but to ask her friends instead. That way, everyone could have a wonderful evening.
Yet when Fleur Delacour appeared at Hogwarts, all the boys lost their minds over her. Everyone wanted to prove himself superior and stand out from the competition.
In troubled times, beauty was not necessarily a good thing. There was a place called Morea, its name derived from mulberry leaves. It was the Peloponnese, where Sparta had flourished many years ago.
Later, under the rule of the Eastern Roman Empire, the region introduced mulberry trees and sericulture. In 1826, Ibrahim, the son of Ali Pasha, led the Egyptian army into Morea at the request of the Ottoman Sultan. Greece was in turmoil at the time and needed to be suppressed, so the Sultan turned to the Empire's most powerful governor.
After years of training and reform, the Egyptian army had become a completely different force. Ibrahim quickly brought the situation under control, but then the European fleet surrounded the Egyptian navy, cutting it off from the land forces.
Ever since Napoleon's navy had been defeated, Greece had practically become Britain's inland lake. This combined fleet also included France and the Austrians. One day in 1827, no one knew who fired the first shot in Navarino Bay, but the Egyptian fleet was utterly destroyed. Ali Pasha was forced to arrange for European ships to evacuate his troops, on the condition that they withdrew completely from the region.
Since Catherine the Great, Russia had maintained a constant diplomatic objective: its fleet needed access to ice-free ports and a foothold in the Mediterranean.
In 1828, Tsar Nicolas I began