The word most commonly used to <span>describe crowded, poorly constructed or poorly maintained urban apartment buildings would be "slums," since people are often forced to live in such conditions because they lack the means to move elsewhere. </span>
You have to have a passport and a green card.
The code of Hammurabi and Chinese legalism both rely on the idea that in order for a state or society to function well and properly, people need to follow a strict adherence to the rules of the state.