Why did people help each other after September 11 2001?

After September 11, 2001, people helped each other due to a profound sense of shared trauma and vulnerability. The attacks united individuals across diverse backgrounds, fostering a strong sense of community and compassion in the face of tragedy. Many sought to support victims, rescue workers, and those affected by fear and loss, demonstrating the human instinct to rally together during crises. This collective response highlighted the resilience and solidarity of people in times of adversity.