How might the world be different if we all shared the same culture

If we all shared the same culture the world would be the same there would be no war or differences because we are all the same so there is no conflict and we will all believe in the same thing.

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. 

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