The Aztec was the Indian empire suffered from a plague. This was before the Spanish arrived.
Mexico-Tenochtitlan
Taino Indians
The Mexicans
The Mexicans
It was greener soon after the whites arrived. Now the grass is brown.
It was a serious diruption to Spanish commerce.
The Incas were here in the Andes before the Spanish arrived.
No; they only started to decline when the Spanish started to attack them.
Territorio de Alta California (Spanish for Upper California Territories)
They didn't. The Mayan's abandoned their cities 400 plus years before the Spanish arrived. The Spanish conquered the decendents of the ancient Maya and the Aztecs.
The Maya civilization in Mesoamerica is one example of a pre-Columbian civilization that experienced a decline and abandonment of many of its cities before the Spanish arrived. This decline is thought to have been due to a combination of factors such as environmental degradation, warfare, and social unrest.