The ming dynasty under emperor yonglo (zhu di) used zheng he's voyages
a) explore north and south america
b) obtain a military alliance with russia
c) secure a border agreement with mongolia
d) expand trade with africa and southeast asia

The correct answer is D. Expand trade with Africa and Southeast Asia

Explanation:

Zheng He was an important Chinese explorer and mariner that lived during the Ming dynasty (1368-1644) and also during the reigned of Zhu Di or the Yongle Emperor from 1360 to 1424. Zheng He became an important figure in China History because he led multiple expeditions in different regions of Asia and East Africa and also he served as a commander fo the emperor, because of this Zheng He was a favorite of the Yongle Emperor and the emperor supported the expeditions of Zheng He and use these expeditions to take control of trade in the Indian Ocean, this implied China controlled the zone and also the trade grew as products could be traded in Africa and Asia, especially Southeast Aasia. Therefore, Emperor Yonglo used Zhen He's voyages mainly to expand trade with Africa and Southeast Asia.

a mogul empire was disbanded

the answer is )multiethnic