How did Suleyman’s selection of a successor eventually spell disaster
for the Ottoman Empire?

I think the answer would be that it was a really powerful empire his successor lead the downfall of the empire and it eventually began to fall.

zheng he was a chinese explorer who lead seven great voyages on behalf of the chinese emperor. his seven total voyages were diplomatic, military, and trading ventures, and lasted from 1405 – 1433. however, most historians agree their main purpose was to promote the glory of ming dynasty china.

explanation:

a. the astrolabe could determine the correct latitudinal location of the ship