Respuesta :
Answer:
A. Christopher Columbus
Explanation:
The last pretender of the Crown of the Byzantine Empire, Andreas Palaiologos, sold his title to Ferdinand II of Aragon and Isabella I of Castile before his passing in 1502.
The Spanish Empire ended up one of the main worldwide powers as Isabella and Ferdinand financed Christopher Columbus' exploratory voyage over the Atlantic Ocean. This prompted the disclosure of America, which turned into the main point of Spanish colonization.
Christopher Columbus was not a ruler of Spain at the end of the fifteenth century.
- Th Spanish Empire was one of the greatest empire of all time. After paying for the voyages of Christopher Columbus, Spain started piling up great wealth from the New World and thus became a global empire,
History has shown that it less than 30 years before Columbus set sail, Spain didn't actually exist, not even a single Spanish kingdom, but series of smaller states known as Spain.
Conclusively, Option b and c were known to be Spain monarch but not Christopher Columbus as he was one of them.
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