Well, I cant give you the answer, but I can tell you that the Religion started in Saudia Arabia... this should give you a pretty clear hint! ;)
Vasco de Game was the FIRST to reach india by sea, so he was indeed an explorer.
Henry the Navigator (no offense to him) was a joke. His title if fooling everyone, as he himself never even sailed once, he always sent others to do it for him (as he was a prince) This is your answer.
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Bartholomeu Dias sailed around the southernmost tip of africa in 1488, so he was an explorer too.
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Your answer is Henry
It is one of the main causes for the war.
I believe <span>King Saul did after David
Hope this helped !!</span>