What tradition of ancient diplomacy did Zheng He's voyage to the West reflect?

1. Carry out peaceful diplomacy and stabilize the international order in Southeast Asia.

2. Deterre the enemy, contain the Mongolian forces and safeguard national security.

3. Develop overseas trade and spread Chinese civilization.

4. Develop marine industry and lay Asian-African routes.

Zheng He's voyage to the West is a feat in the history of world navigation, which is more than half a century earlier than that of European navigators. Zheng He was a great navigator in the history of China and the world. Zheng He's voyages to the West promoted the economic exchanges between China and Asian and African countries, and strengthened the friendly relations between China and Asian and African countries.