Task: Sentence Expansion
Input (English): 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 .
Output (English): 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 .