---prejudice----
here is the definition of discrimination:
the unjust or prejudicial treatment of different categories of people or things, especially on the grounds of race, age, or sex.
Either C or D
The Aztecs sure as hell didn’t welcome any foreigners, and smallpox was brought from Europe
Manifest Destiny was basically the idea of expanding the United States westwards. The term was coined in 1845 by a newspaper editor named John Louis O'Sullivan.