Why and how do people keep deleting questions?

They are called moderators.

Explanation:

Moderators have their own separate page where they see all flagged messages, and they then delete those messages. You have to become a trusted member first before obtaining moderator.

Explanation:   they want to spam ;-;

the best description of postwar writers might be progressive.

following the war, writers showed a tendency to work on artistic or social matters rather than political themes. while postwar literature may not have been the greatest period of english literature, the themes provided excellent critics a high number of novels. such examples include anthony burgess, anthony powell and frank kermode, all of which can be placed under the progressive view.