At the time of the first contact between Native Americans and Europeans, one of the worlds largest cities was home to the Aztec. Option C is correct.
The Aztecs arrived in Mesoamerica around the beginning of the 13th century.
The Aztecs arised as the dominant force in central Mexico, creating a social, political, religious and commercial organization that brought many of the region’s city-states under their control by the 15th century. The Aztec peoples included different ethnic groups of central Mexico.
