Who granted a charter to Pánfilo de Narváez to settle Florida?

King Charles V granted Pánfilo de Narváez a charter to explore and settle Florida. The other choices are not correct: Henry V and King Lear are unrelated, and Alonso Álvarez de Piñeda was an explorer, not the monarch who granted the charter. The correct choice is King Charles V.

AI-written and checked against the verified answer.