B1 Dream: To Visit Asia going west as Marco Polo had done going east.
B2 Objective: Columbus hoped to get gold spices and other treasures.
B3 The Taino (A tribe on San Salvador) gave Columbus and His Men Mangos Yams Bread Fish Parrots and Gold pieces.
B4: This depends on where you live. You'll have to answer it yourself.
B5: They landed on an island they name San Salvador.