Answer:
The Freikorps
Explanation:
The Freikorps were rebellious military soldiers from WWI that had a positive impact on German society. Former senior officers in the German Army began raising private armies after the First World War whom we called Freikorps. They played a key role in borders by preventing the Red army from entering Germany. With the regulations and laws after signing the treaty of Versailles Germany felt necessary to develop a secret army to protect its nation and people.
