Which principals of democracy are not followed in an authoritarian state explain why

In an authoritarian government democracy is generally not followed, so all the principles of democracy are not followed. This includes, among others:

-equality under law: in an authoritarian State, some people have more rights than others
-democratic elections: often, there are no elections
-popular sovereignty: the power of the state is not in the hands of all the people. 

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.