Which term means the unfair treatment of a group of people compared with another group?
a) discrimination
b) equality
c) liberalism
d) ethnocentrism

Option A

Explanation:

Okay before we can solve this question we have to know the meaning of other terms in the option from the question. I will be explaining the terms Starting from option 'D' to option 'A'.

===> Ethnocentrism: when someone believes that his or her way of life, that is to say, his or her culture, people/ race are better than the others, the term used for this is known as Ethnocentrism.

===>Liberalism: when someone or you respect other people's view, other people's belief of something, you respect and not just that you allow them to practice what they believe in, the term is called liberalism.

===>Equality: from the word 'equal', having the same right, same treatment. The term is known as equity.

==> Discrimination: the definition in the question. The unfair treatment of a group of people compared with another group. It can be discrimination against sex, race, and so on.

answer; the president uses mass media to gain support for policies;