The option that would NOT be considered a pirate is "Spanish galleons."
With the support and blessings of King Fernando de Aragón and Queen Isabella de Castile, the Spanish nave sailed the seas to explore new territories to conquer them for the Spanish Kingdom. If the Spanish were known for great explorers and conquerors it was due to the formidable galleons(ships) fleet they had. In the mid 16th century, Spanish galleons were great ships that served navigators to explore, trade, and protect the Spanish seas and coasts from pirates and invaders. Andalucia, Spain, was one of the most important places where the galleons were built.
While Medieval European Knights did have their own code of honor, the Bushido was a moral code specific to the Samurai. So, choice A is the correct answer.
Slavery developed in the American colonies in the mid-1600s due to the economy of the South depending on the cultivation of crops; the need for agricultural labor led to the establishment of slavery.