They probably couldn’t have had any kind of medication that could prevent, heal, or make a disease go away. If it was a disease brought by Europeans, they would be at a greater threat since they’ve never encountered it before and have no immunity to it.
A. The expedition was the first to successfully circumnavigate the globe. All the others are incorrect. Magellan organized the Spanish Expedition to the East Indies that resulted in the first circumnavigation of the globe.
