abstention;  nonintervention;  noninterference
 interference in the domestic affairs of another country
 excessive meddling (esp. by parents);  excessive interference
 space manipulation (e.g. supernatural ability)
 noninterference;  nonintervention
 Triple Intervention (diplomatic intervention by Russia, Germany and France over the terms of the Treaty of Shimonoseki)
 coherent;  interfering;  meddlesome;  intrusive
 ISI;  intersymbol interference
 Foreign Intervention in Russia (1917-1922)