B. unfair treatment can be considered a PUSH FACTOR.
Push factors encourage people to leave points of origin to settle in areas elsewhere.
The best answer from the ones mentioned is the last one: encomienda.
Encomienda is a system where the stronger partner provides protection to the weaker one in exchange for goods and services.
Can you give more text of the question?
<span> the fastest way to obtain an application for admission to a college, university, or other post-high school institution is by visiting their website directly.
If you come up face to face with their administration, you need time to wait up the line and waiting for the document to be manually processed</span>
<span>The U.S. Supreme Court ruled against the tariff.</span>
