Which of the following can be inferred about China's Ming Dynasty tribute system?
1. The Ming Dynasty had a hierarchical relationship with neighboring countries.
2. The tribute system was used as a tool to establish and maintain political control.
3. China required neighboring countries to pay tribute as a sign of their allegiance and subordination.
4. Tribute missions were organized and overseen by the Chinese government.
5. The tribute system helped to foster trade and diplomatic relations between China and other countries.
6. The tribute system was based on Confucian ideals of hierarchy and respect.
7. The Ming Dynasty used the tribute system to enhance its prestige and legitimacy as a powerful empire.
8. Countries that refused to pay tribute could face diplomatic isolation or even military action from China.
9. The tribute system was an important part of China's foreign policy during the Ming Dynasty.