Senior Irish-American members of Congress have called for a "resounding Yes vote" in tomorrow's referendums, but have warned against any last-minute concessions to overcome objections, especially in the unionist community.
Mr Joe Kennedy said concessions to any "sub-group" in either community would "miss the whole point of what has been achieved, which is that for the first time the whole consensus of the middle of Northern Ireland can speak out and call for peace in the land."
It would be "completely counterproductive" for people on the outer fringes of the republican or unionist communities to say they can now come in and "reshuffle the deck". That would "throw the entire accord out the window and would miss the central point of what has been achieved," he said.
He was speaking at a press conference called by the co-chairmen of the Ad Hoc Committee on Irish Affairs, Mr Ben Gilman, Mr Richard Neal, Mr Peter King and Mr Tom Manton, and the Friends of Ireland chairman, Mr James Walsh.
Mr King urged the British and Irish governments "not to move the goalposts". It was important that no concessions be made which were not provided for in the agreement and that "all of us go forward with one goal standing for peace and justice for all the people."
Mr Ben Gilman, who is also chairman of the Committee on International Relations, said that "the vote of the Irish people North and South will determine whether or not a peaceful political change takes hold, or whether the world will witness again a deeply divided community return to destructive violence that has taken the lives of more than 3,500 people, both loyalist and nationalist, in the past 25 years."
He said that "the time for boldness is now. The people of Ireland have a chance to send a clear and unmistakable signal to their political leaders, the men of violence and the whole world that lasting peace, justice and reconciliation are the new future of Northern Ireland."
Mr Tom Manton said his message to the people of Ireland was: "This is the moment. Seize the moment. Don't let it pass. Don't let fear rule. Let wisdom and hope rule."