To learn more about the world and show other countries his power.
題意:
為什么朱棣要讓鄭和航行到許多不同的國家?
細(xì)節(jié)理解題。根據(jù)第二段,第一句The King wanted to learn more about the world and show other countries his power.皇帝想更多地了解世界,向其他國家展示他的力量??芍?,朱棣要讓鄭和航行到許多不同的國家的原因是想更多地了解世界,向其他國家展示他的力量。故答To learn more about the world and show other countries his power.