A, D are the correct answers I think
Hope this helps!!!:)
I am confused on if you are asking for the answer or not, because you did put it in the question.
But yes, the correct answer is in fact D.
Hello,
Here is your answer:
The proper answer to this question is "Lateen Sail".
Here is how:
Lateen Sail was used to explore the "New World" and it was the key in order to find it.
Your answer is Lateen Sail!
If you need anymore help feel free to ask me!
Hope this helps!
I believe the answer to this question will be B.