Alfred Thayer Mahan recommended that the American military should focus on sea-power as the key to its success in any contemporary or future conflicts.
The answer to this question is:
How did the success of Portugal's exploration of Africa affect Spain?
"It Required Spain to leave the eastern route of Africa so they can so they can head to the east"
Hoped This Helped, Nanobite11
Your Welcome :)<span />
I think it the first on but i’m not completely sure
