What would you do if your home were invaded? Five options come to mind.

• Act as though nothing unusual was happening and hope for the best.
• Conceal yourself and hope not to be discovered.
• Jump out of a window and run to a neighbor’s home for safety.
• Grab a baseball bat and confront the intruders.
• Share a meal with your uninvited guests and reveal where your neighbors hide their valuables. 

Adapt, hide, escape, resist, or collaborate.

None of us knows which strategy we would adopt in a risky confrontation. The choice would be even more complicated if the lives of family and friends were at risk.

In the Baltic countries, millions of residents were faced with this stressful dilemma—every day for fifty-one consecutive years.