Iwill give brainliest to whoever answers this question first and correct.

how did prince henry the navigator contribute to portugal's leading role in exploration?

a.
he was the first to sail to the americas.

b.
he conquered italian city-states.

c.
he established an overland route to india.

d.
he trained many sailors in navigation and mapmaking.

you for future answers!

Under the leadership of Prince Henry the Navigator, Portugal took the principal role during most of the fifteenth century in searching for a route to Asia by sailing south around Africa.

Explanation:

Under the leadership of Prince Henry the Navigator, Portugal took the principal role during most of the fifteenth century in searching for a route to Asia by sailing south around Africa. In the process, the Portuguese accumulated a wealth of knowledge about navigation and the geography of the Atlantic Ocean.

id say bottom left to top top left to bottom right and middle to middle

explanation:

the answer to number 5 is fort sumter