Respuesta :
Answer:
D)the German invasion of Alsace
Explanation:
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Backdrops are also known as backgrounds, it has been used in films, for a visual scene behind a subject.
The correct option is D:- the German invasion of Alsace
What is the backdrop in writing?
It is a setting that is visually imaginative to the audience but is not significant to the plot of the story.
For more information about Backdrops, refer to the link:-
brainly.com/question/1029395