Why is a movie advertisement or preview video, called a trailer?

The term "trailer" comes from their having originally been shown at the end of a feature film screening-That practice did not last long, because patrons tended to leave the theater after the films ended, but the name has stuck. Trailers are now shown before the film beginsfrom askDOTcom.

Trailers consist of a series of selected shots from the film being advertised. The purpose of the trailer is to attract an audience to the film. Trailers tell the story of a movie in a highly condensed fashion that must have maximum appeal.

The term "trailer" comes from their having originally been shown at the end of a feature film screening. That practice did not last long, because patrons tended to leave the theater after the films ended, but the name has stuck. Trailers are now shown before the film begins.

These excerpts are usually drawn from the most exciting, funny, or otherwise noteworthy parts of the film but in abbreviated form and usually without producing spoilers. The Motion Picture Association of America (MPAA) mandates that theatrical trailers not exceed two minutes and 30 seconds in length, and each major studio is given one exception to this rule per year.

I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.