The Imperial German Government had never made a secret of its willingness to encourage disloyalty among the citizens and subjects of Germany's enemies. It had officially announced: "Bribery of enemies' subjects, acceptance of offers of treachery, utilization of discontented elements in the population, support of pretenders and the like are permissible; indeed, international law is in no way opposed to the exploitation of the crimes of third parties."'
Thomas F. Carroll,
Freedom of Speech and of the Press in War Time the Espionage Act,
Mich. L. Rev.
Available at: https://repository.law.umich.edu/mlr/vol17/iss8/2