Segregation was described as wilderness as a way of indicating the inhumaneness of this treatment, for literally wilderness indicates a place without civilization or society.
Injustice is not always a wilderness, although it sometimes can be. Injustice acts within established society all the time -- sometimes, de jury, it can be under the guise of a law-abiding action, but in reality (de facto) it could be injustice. For example, Donald's Trump urge to deport and restrict immigrants from certain countries reflects injustice in an established environment (in my opinion, of course).
Tense tones are usually used.
It also can be called a statement unless you use it or say it in a different way
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In the play <em>Othello</em>, we see that Cassio is a man who is proud of his polite behaviour. He is a gentleman, and is interested in being thought of in that way.
One instance in which this becomes clear is in the case of his greeting of Emilia and Desdemona. When Cassio greets them, he is very affectionate. He considers this to be good manners, and the correct way to treat a lady. However, Iago uses this charm to plot against Cassio and Othello, by convincing Othello that Cassio is having an affair with Desdemona.
