The Aztec Empire.
Aztecs.........i think
The Aztec Civilization qualifies as such.
the Comanches
The Aztec Civilization did.
Right.
Old World Diseases
Mexico City
Spaniards? Yes. From 1521 until 1821 when Mexico became an independent nation.
1519 when the first Spaniards landed on Mexico's shores.
400 conquistadores
The Spaniards called people who conquered Mexico and Peru conquistadors. This name was given to a 15th century Spanish conqueror.
They spoke Spanish, before and after they settled into Mexico.