Which physical feature of Mexico created natural barriers to the various tribes of people living there, thus creating variations of cuisine although most food ingredients were shared?

Question

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High mountain ranges in Mexico created natural barriers between different tribes and communities. This geographical feature led to the development of distinct regional cuisines, even though many ingredients were common across the regions. The mountains made travel and communication more challenging, contributing to the diversity in culinary practices and traditions.

Which Physical Feature of Mexico Created Natural Barriers to the Various