The travels of Ibn Battuta and Zheng He have what in common?

A few things connect Ibn Battuta, Marco Polo, and Zheng He, even though their lives did not overlap. They each served kings and emperors. They each traveled enormous distances to places most people from their homelands had never seen.

ask google there you might be able to find an answer for the question you're trying to ask

answer; i believe the correct answer is (favorable balance);