No; they only started to decline when the Spanish started to attack them.
The Aztecs had a lot of enemies and when the Spanish conquistadors arrived to Mexico the Aztec enemies were more than happy to help the Spanish destroy the Aztecs.
The leader of the Aztecs when Europeans first arrived was Moctezuma II. He ruled from 1502 until 1520, during a period of great expansion and prosperity for the Aztec Empire. Moctezuma encountered Spanish conquistador Hernán Cortés in 1519, which ultimately led to the downfall of the Aztec civilization. His reign ended with the Spanish conquest in 1521.
decline of the Aztecs
Atahualpa
probably the spanish and europeans
Montezuma II was the leader.
montezuma the II
The Aztecs did not practice Catholicism before the Europeans arrived; they had no exposure to it until then.
Montezuma II (1466 - 1520) qualified as such.
Maya, Incan, Aztecs
The Aztecs had a lot of enemies and when the Spanish conquistadors arrived to Mexico the Aztec enemies were more than happy to help the Spanish destroy the Aztecs.
1798. The Europeans invaded the Aztecs by travelling to Mexico on canoes.
The leader of the Aztecs when Europeans first arrived was Moctezuma II. He ruled from 1502 until 1520, during a period of great expansion and prosperity for the Aztec Empire. Moctezuma encountered Spanish conquistador Hernán Cortés in 1519, which ultimately led to the downfall of the Aztec civilization. His reign ended with the Spanish conquest in 1521.
The first one came when Cortez came to the Americas to look for gold. He found the Aztecs who gave them riches to go away; however, Cortez kidnapped Montezuma, ransoming the whole Aztec wealth.
decline of the Aztecs
Some didn't like Aztec rule, so they were more likely to go against them and unite with the Spanish conquistador Hernán Cortés. The Spaniard's iron, steel, and gunpowder defeated the Aztecs. In addition, the Aztecs fell prey to new diseases the Europeans brought with them.
Atahualpa