What is the feeling of home and country contained in the great migration of the Anti-Japanese War?

The Great Migration during the Anti-Japanese War was an important action for a generation of China people to avoid becoming conquered people, which protected a great deal of resources in China, promoted the development of southwest China, established a strategic rear base for the long-term anti-Japanese war, and laid a solid foundation for supporting the long-term anti-Japanese war and winning the final victory.