CLEAN : Irish FM denies EU Brexit deal threatens N.Ireland powershare

The transcript discusses an international treaty involving the British government and the EU. It emphasizes the treaty's legal significance and the potential consequences if it is not upheld. The British government's role in negotiating the treaty is highlighted, and there is a discussion on the implications of the treaty not functioning well, including possible actions by the EU.

Who were involved in the negotiation of the treaty according to the text?

What does the speaker imply about the British Government's understanding of the treaty?