What does Spatial Exchange (Diffusion) mean in World Geography?

Spatial Exchange. When ideas, products, and even cultural traits can spread from one culture to another. Colonization. One country taking over another area to be used for their benefit. Diffusion.

Humans have survived and thrived in mexico city by using technology to create greater access to land. when the spanish conquered the aztec capital, tenochtitlan, in the 16th century, they built mexico city by draining the lakes and filling in the lake water to create more arable land for agriculture. this technique of land reclamation has continued to be fundamental to human civilization in mexico city.