Explain ONE reason why the people living under Aztec rule wanted a change in rulers at the time the Europeans arrived.

Most people living under the Aztecs wanted a change of rule because the Aztec kept taking their people as human sacrifice.

When the Spanish under Francisco Pizarro arrived to conquer the Aztec empire, they found a lot of willing allies in those the Aztecs ruled. These people preferred the Spanish to the Aztecs because:

The people had been unable to rebel because the Aztec military was strong so when they saw the strength of the Spanish, they quickly allied with them.

In conclusion, one reason the people under the Aztecs wanted a change of rule was because of the Aztec practice of human sacrifice.

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The Aztec ruled over a large Empire that included most of Central and Southern Mexico. They had subjugated other peoples like the neighboring Tlaxcaltecas, who were in fact crucial for the Spanish Conquest.

The Aztec were often very ruthless against their subjects. They extracted onerous economic tribute, and also practiced human sacrifices, often killing people from the subjugated tribes.

i believe it was the shinto