The Aztec and the Inca were similar in many ways especially in their worship of many gods - Polytheism. Hence C is the correct answer.
The Aztecs are the indigenes who were dominant in Mexico before the conquest of the Spaniards in the sixteenth century, while;
The Incas belong to the group of the Quechuan people of Peru who thrived in the Valley of Cuzco in the Andes Mountains around the year 1200.
See the link below for more about the similarities between the Aztec and the Inca:
https://brainly.com/question/1142925