In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.
Q: The Imperial Territory of Alsace-Lorraine ( or , or ) was a territory created by the German Empire in 1871 after its victory in the Franco-Prussian War .
A: 
The Imperial Territory of Alsace-Lorraine ( or ; Alsatian : ; Moselle Franconian / ) was a territory created by the German Empire in 1871 , after it annexed most of Alsace and the Moselle department of Lorraine following its victory in the Franco-Prussian War .