I would say that Luxembourg is even more of a correct answer because Britain and Belgium had a weak alliance since 1839. Since Belgium was somewhat aligned with Britain, a member of the Entente, surely Luxembourg was even more neutral. Maybe, "What neutral kingdom?"
The treaty of Tordesillas was not only about dividing the New World, but all newly discovered, non-Christian lands. Portugal only got a small part of the New World (part of Brazil), certainly not half of it. But the Portuguese received India, which was their major interest.
I read "conqueror" as "conquistador" for some reason and was so confused in the second half of the question. Persia??? 1200s??? nope I just couldn't read apparently, carry on
Depends on just how angry you made that blacksmith.