Hundreds of societies have been in crises like ours. An expert explains how they got out.

Anti-establishment parties and politicians are surging in Western Europe and Japan. In the United States, the MAGA movement, led by President Donald Trump, has seized power. Political violence is rising and by several measures — violent riots, anti-government demonstrations — the US is now experiencing its highest level of social turbulence and political conflict in the last 100 years. What lies ahead? How do we navigate our societies through the turbulent waters without sliding into a bloody civil war? Our current predicament is not unprecedented. We can learn from how past societie