What inference can be drawn about how zheng he affected the worlds knowledge about china

Zheng He traveled far and wide and was responsible for a lot of cultural exchange.

Explanation:

Zheng He was a Chinese diplomat who spent most of his life as a mariner explorer, diplomat, sometimes even as a fleet admiral all the while being a court eunuch during China's early Ming dynasty.

The time of the Mings was when China was looking to open up to the world and it was people like Zheng who traveled far and wide and opened avenues for cultural and economic exchange to places like India, Central Asia and reached until Persian empires.

He died in India after having spent most of his time there.