He is looking for freedom for blacks


In order to answer this question, we need to know what each of the options mean.

Used to criticize and expose people's foolishness with the uses of irony, humor, and/or exaggeration.

An exaggerated statement that is not literal.

Presented as something worse than it actually is.

Image (or imagery) describes something/someone with our five senses: seeing, hearing, touching, tasting, and smelling.
The statement "It is negative 100 degrees outside!" is not literal; it just means that it is extremely cold outside. This statement falls under the category of a hyperbole.