Conversation so far:
when did germany takes alsace-lorraine region from france in the franco-prussian war
The Treaty of Frankfurt of 10 May 1871 gave Germany most of Alsace and some parts of Lorraine, which became the Imperial territory of Alsace-Lorraine.
how long was the franco-prussian war
The Franco Prussion War was 6 months, 1 week and 2 days.
when did the franco-prussian war happen
The Franco-Prussian War occurred from 19 July 1870 – 28 January 1871.
who won the franco-prussian war
Germany was the winner of the Franco-Prussian War.

Question: how did the war affect germany's territory
Self-contained rewrite: how did the franco-prussian war affect germanys territory