General Paul von Hindenburg was a prominent military figure in Germany involved in political developments post WWI and was associated with the German military command and the "Hindenburg Line" on the Western Front
The "stab in the back" myth was a way to shift blame away from the military leadership and onto perceived internal enemies like civilians, left-wing politicians and Jews
"Stab in the back" myth claimed that internal enemies had undermined the war effort and internal issues like political unrest and dissent on the homefront had played a significance in Germany’s military failure