what happened to alsace - lorraine after world war i?\nit became part of germany.\nit became a new…

what happened to alsace - lorraine after world war i?\nit became part of germany.\nit became a new nation.\nit was returned to france.\nit became part of switzerland.
Answer
Brief Explanations:
After World War I, under the Treaty of Versailles, Alsace - Lorraine was returned to France. It had been annexed by Germany after the Franco - Prussian War in 1871.
Answer:
It was returned to France.