Which of the following best explains the significance of the Aztec Empire?

By the early sixteenth century, they built Tenochtitlan into a large modern city, one of the largest in the world at that time

It was created from a successful alliance between three groups, showing that even a powerful state could be taken down by others.

Early leaders successfully convinced a neighboring king to decrease the amount of taxes to be paid each year.

By the early sixteenth century, it was an immense state linking more than
400 towns and communities and perhaps 25 million people in central and southern Mexico.

By the early sixteenth century, it was an immense state linking more than 400 towns and communities and perhaps 25 million people in central and southern Mexico. This best explains the significance of the Aztec Empire as it highlights the size and extent of their control and influence over a vast territory and a large population.