The Spanish were able to have domesticated animals, but at night, they slept in the same house as the animals. Most animals can carry disease, but the Spanish were always so exposed to the animals that they became immune to the diseases. When the Spanish went to go take over the Incas, they were immune to smallpox. The Spanish spread the disease of smallpox to so many of the Incas that they were decimated. The reason the Incas became sick was because they were never in close contact with their llamas. The llamas were always kept in barns. The Spanish killed about 95% of the Incas and almost every little bit of the decimation was from the spreading of smallpox. The Spanish were greatly impacted from smallpox because the Incas weren’t every exposed