The detonators

the long version

The Americans and Germans set up the Mixed Claims Commission (MCC) to handle the dispensation of claims by Americans against the Germans for acts carried out during the war. Two of the largest claims involved sabotage against an arms manufacturer and a shipping pier. Although eventually settled in the claimants' favor, it took from the end of WWI to the start of WWII to resolve, and was resolved largely through growing disinterest on the part of the new German government to defend itself.