Belt and Whip

Zheng Heā€™s voyages were generally peaceful, although he and his captains showed a willingness to fight when necessary. In 1407, his armada famously defeated the fleet of Chinese pirate Chen Zuyi off the coast of Sumatra in Indonesia and brought Chen back alive to Nanjing, where he was later executed on orders from the emperor.

Then there was the matter of kidnapping the self-described King of Ceylon.