Réponse:
1. The explorers in the text are Cristopher Columbus, Vasco de Gama and Ferdinand de Magellan.
2a. Columbus name the native American people "Indians".
b. He gave them this name because he tought he was in India.
3a. Frenzied years was gained from the space trade.
b. India and Southeast Asia benefit from the spice trade.
(je suis pas sure pour l'exercice 3)