The act of coming to live permanently in a new country:

An apartment building, often overcrowded and in need of repairs, usually in a city slum:

Someone who is related to a person or a group of people who lived in the past:

To allow someone from another country to become a citizen:

The act of leaving one country to settle permanently in another:

Treated cruelly or unfairly:

Unfair treatment of a person or group because of beliefs about that group of people:

A government in which citizens elect people to rule for them; a republic.

A policy of giving preference to people who are from a specific country, rather than to immigrants.