Answer: organizing the history of Mexico into three distinct units of time.
Answer: Option C
Step-by-step explanation:
Periodization is the historical explanation which mainly involves the steps of categorizing and studying about the past events in a specific time period. These are organized on the basis of relatively common characteristics.
Here, this phenomenon is applied to organize and analyze history of Mexico into three distinct unit of time because it covers duration of more than 3000 years and contain historical points like it had witnessed complex indigenous civilization situations before being conquered and before colonization by Spanish people in the 16th century.