violation of territory

We have the unforgivable ultimate violation of territory: a mutual invasion of identity.

All accounts concurred respecting the just umbrage which that violation of territory occasioned to the King of Prussia.

Was this inconceivable violation of territory likely to dispose the Prince Royal of Sweden to the proposed alliance, even had that alliance not been adverse to the interests of his country?

Acts of aggression are defined as armed invasions or attacks, bombardments, blockades, armed violations of territory, permitting other states to use one's own territory to perpetrate acts of aggression and the employment of armed irregulars or mercenaries to carry out acts of aggression.