I'm not pretty sure what you are asking but this is what i know ...
Prince Henry never reached Asia. He reached Portugal and he found a navigation school, spread christian faith, and he found stores that encountered large amounts of silver and gold. After Prince Henry died, Portuguese sailors reached Asia.
Does that answer your question?
Prince Henry of Portugal proved that it was, although Henry never went on any explorations himself, he became known as Prince Henry the Navigator.
Prince Henry made it possible to reach Asia by ship.
sir francis drake prince henry
prince Henry
Henry Hudson did not accoplish to find a water route to Asia
never
He discovered Asia
what different routes did Portugal and Spain take when trying to find a way to reach Asia during the age of exploration
Asia and also chinaa
Silks and perfume
Prince Henry used a scientific way of determining the ships sailing, direction, and the location.
Prince Henry brought together merchants in the early 1400's to find another cheaper route by which they can get goods from Asia