Diffusion: Diffusion is the spread of ideas, innovations, or cultural practices from one place to another. In this case, it refers to how corn agriculture spread from its origin in Mexico to other parts of the world.
Mesoamerica: Mesoamerica is a region that includes modern-day Mexico and Central America. It was where ancient civilizations developed advanced agricultural techniques such as cultivating corn.
Selective Breeding: Selective breeding involves intentionally choosing certain traits in plants or animals over generations to enhance desired characteristics. In terms of corn agriculture, selective breeding played a significant role in developing different varieties of maize with improved yields and resistance to pests or environmental conditions.