In 1989, as the Berlin Wall crumbled and the Cold War dissipated, the American political commentator Francis Fukuyama wrote a famous essay, entitled “The End of History.” Fukuyama argued that the demise of confrontation between Communism and capitalism, and the expansion of Western liberal democracy, signalled the endpoint of humanity’s sociocultural and political evolution, the waning of traditional power politics, and the path toward a more peaceful world. At the heart of his thesis was the audaciously optimistic idea of “progress” in history. But a quarter of a century after Fukuyama’s bold prediction about transcending the struggles of the past, history has returned. The twenty-first century has not seen unfettered progress toward peac...