In what do the activities of the Communist Parties consist? In what ways can they manifest themselves? These activities usually consist in the organization of working masses, in organizing meetings, demonstrations, strikes, etc. It is absolutely clear that American Communists cannot perform this in Soviet territory. The American workers are not in the U.S.S.R.
Joseph StalinHistory shows that when a state is intent upon making war against another state, even though not adjacent, it begins to seek frontiers across which it could reach the frontiers of the state which it desires to attack. Usually, the aggressive state finds that frontier.
Joseph Stalin