Question

what is backstop and explain it ​

Answer 1

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The 'backstop' element was that the arrangement would have continued to apply potentially indefinitely unless the UK and the EU were both to agree on a different arrangement, for example on a trade agreement between UK and EU at the end of the transition period

Explanation:

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Answer 2

Answer:

The 'backstop' element was that the arrangement would have continued to apply potentially indefinitely unless the UK and the EU were both to agree on a different arrangement, for example on a trade agreement between UK and EU at the end of the transition period...