Large numbers of skilled workers left Iran in the early 21st century, primarily because "<span>c. they sought more skilled opportunities in countries like the United States," since there were far fewer restrictions in the US. </span>
I believe it’s the last 2 options , hope that helps
Answer:
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.
