<span>The atmosphere contains a large amount of nitrogen. Some plants take nitrogen straight from the air and use it to build nutrients needed for growth. Atmospheric wind erodes land so it can be broken down to form life-sustaining soil.</span>
Some of their problems was lack of nation-building experience, poor infrastructure, and massive amounts of damage incurred during their revolutions for independence. But for most of them that were explored they had many problems until nowadays.
The Aztecs were able to establish an extensive emipre in a short time because of the belief they had in their gods. Everyone worseshiped the gods and their ideas so theuir was no problem ruling.The more the people were controled, the more the king could focus on the empire and building. No wonder they have such amazing buildings.
