disease
a drought that caused a terrible famine
the incas had a disease spread to them when the Spaniards arrived.
Spaniards massacred the Incas.
The Incas that were not outright killed by European guns died later from the European diseases, like smallpox and measles. Unlike the Europeans, the Incas had no resistance to those diseases, at all. Some Incas escaped, for sure, but they never regained their empire.
By introducing disease (smallpox).
as far as i know, no one
The Incas were here in the Andes before the Spanish arrived.
10 years
horses
Yes , he slaughter thousands of Incas and captured their leader
yes. Pizzaro was awed by the civilization of the Incas
I think it's... The Incas and the Maya's.