Question

Why did diseases disproportionately affect people in the Americas rather than those in Eurasia and Africa? Select all that apply.

The isolation of the Americas meant that most people had no immunity to Afr0Eurasian diseases.
Medical science was more advanced in Eurasia than it was in the Americas and this prevented most diseases from spreading.
The European diet was better than those in the Americas, which made the people there more resistant to disease.
Animals in the Americas were more prone to carrying and spreading diseases than those in Eurasia.
The high population density of the Americas meant that diseases spread farther and more rapidly than in Eurasia.

Answer 1

The isolation of America's meant people didn't have immunity, and the high population density.

Step-by-step explanation:

Diseases in different parts of the world vary, so when a disease first enters a country it means that 1. There's usually no vacines in that country yet and 2. The populations immune system has never came across these diseases before so can catch the illness easier.

With a high population density it allows communicable diseases to be passed on faster