Final answer:
The major pre-Columbian Mesoamerican civilizations existed in southern Mexico due to favorable climate and abundant resources, strategic geographic location, and cultural preferences.
Step-by-step explanation:
The major pre-Columbian Mesoamerican civilizations mostly existed in the areas of southern Mexico for several reasons.
- Favorable climate and abundant resources: Southern Mexico has a favorable climate with fertile land and abundant resources, such as water sources and agricultural land, which allowed for successful farming and settlement.
- Strategic geographic location: Southern Mexico is situated between the Gulf of Mexico and the Pacific Ocean, making it a central location for trade and communication between different regions of Mesoamerica.
- Cultural preferences of the ancient people: There might have been cultural preferences or historical factors that influenced the concentration of civilizations in southern Mexico, such as the influence of earlier cultures like the Olmec.