France did not just want the region, they wanted it back. The German Empire was proclaimed in the Palace of Versailles after the Franco-Prussian war (1870-1871). After the First World War, France,...
Many reasons. First off, it depends what time period we are talking about. Both countries, quiet rightly wanted the land as they both wanted to expand; Alsace-Lorraine was in between them so both...
Alsace was a heavily German speaking area, and France violated the terms of the Treaty of Versailles by refusing to grant the citizens of Alsace a plebiscite, instead outright annexing the territory.
You seem to have things mixed up a bit. Germany seized Alsace Lorraine from France in 1871 (Franco-Prussian war) and after that, obviously, France wanted it back. Not to mention that France also...