2. Portugal became the leader of the navigational arts in Europe.
5. Portugal grew in wealth and importance from its all-water route to the Orient.
Explanation:
Vasco da Gama became the first European from Portugal to take a voyage from Africa to India. He opened the sea route to connect Europe to Asia. Prince Henry the Navigator about 1418 started a navigation school for the sailors to get trained for exploring the sea. With the zeal of conducting voyages and explorations in Africa and Asia, Portuguese established trading with Orient and acquired silk, porcelain and other items.
