Answer:
During the 16th century, Portuguese changed oceanic trade in the Indian Ocean.
Explanation:
The arrival of the Portuguese was a very important change in Indian Ocean trade in the 16th century. It not only transforms the trade but allowed other European Empire to enter into overseas expansion.
The reason for the exploration was to access a new trading route through sea and ocean.
Prince Henry the Navigator started the first exploration in Europe. Portuguese sailors, because of his patronage, able to find colonies outside Europe.
The first major was the Battle of Bull Run taking place in Richmond, Virginia.
Where's the blank. If you write it then I will be able to help you out.
I believe its A. But im not sure all the way :)