[Berlin_Freeper]

#2 would close the border.

[John Locke]

Thank you; you are correct. The EU could not allow the border to remain open, so if Britain refused to close it (my #2) the EU would force its closure (my #3) Thereby reminding the Irish Republic of their status as a colony of the EUSSR.

[az_gila]

#2 would close the border.

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Only if the UK wants to...:^)

I think they will put up some wimpy border crossing points for show and the Irish (both sides) will ignore it.