Государство А направило в государство В предложение

State A sent to State B a proposal to open an embassy on the territory of State B. In a response note, State B indicated that there was no need to open such an embassy, since the ties between the two states were episodic and could well be implemented within international organizations.
In response, State A refused to allow citizens of State B into its territory.
Questions:
Qualify this situation.
Assess the position of states.

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