Emperor Franz Joseph's extreme anger over incorrect uniform buttons was not mere pedantry. It represented a deep-seated fear that even minor deviations from protocol signaled the decay and potential collapse of his rigidly ordered, multi-ethnic empire.

The downfall of empires follows a predictable pattern: the discovery of debt's power leads to its abuse over successive leaderships. This creates a K-shaped economy, eventually causing either a revolution from the impoverished class or a financial default that strips the nation of power.

Strategist Otto von Bismarck understood that after unifying Germany in 1871, it had reached its "culminating point of success." He knew any further expansion would trigger a hostile global coalition. His successors ignored this logic, pursued further greatness, and predictably created the very alliance that destroyed them.

When a political movement is out of power, it's easy to unify against a common opponent. Once they gain power and become the establishment, internal disagreements surface, leading to factions and infighting as they debate the group's future direction.

A political system is in jeopardy when its citizens and leaders prioritize their ideological causes above the system's rules and stability. This creates irreconcilable differences, making compromise impossible and leading to internal conflict and eventual breakdown, a pattern observed repeatedly throughout history.

The Habsburgs' official adoption of a florid, neo-baroque architectural style for Vienna's Ringstrasse was a deliberate political statement. It was meant to contrast with the colder, austere neoclassicism favored by rival Bismarck's Germany, branding the Austrian empire as more fun and culturally distinct.

The treaty was the 'worst of both worlds.' It was punitive enough to unite all German political factions in a shared sense of grievance, particularly over the 'war blame' clause. Yet, it was not harsh enough to dismantle Germany's power, leaving the nation capable of eventually acting on that grievance.

While its constitution had flaws, the Weimar Republic truly failed because it was 'born into crisis.' Relentless catastrophes—war aftermath, hyperinflation, disease, unemployment—eroded public faith in the system's ability to provide stability, creating a fertile ground for authoritarianism long before Hitler's final rise.

Contrary to the idea that unity is always strength, Martin Wolf posits that Europe's division into competing states was key to its rise. This constant rivalry spurred innovation and prevented the intellectual stagnation that China's historical unity arguably suppressed.