Unionists feared that the Irish government`s position was a disguised attempt to gain more power over the province in order to promote a united Ireland, a position contested by the Irish government.  The Democratic Unionist Party (DUP) opposes a hard Irish border and wants to preserve the common travel area.  The DUP was the only major NI party to oppose the Good Friday Agreement in 1998.  8 Hayward, K., All simple solutions to the post-Brexit Irish border fail to bean anerkennung complex realities, 21 September 2018, ukandeu.ac.uk/all-simple-solutions-to-the-post-brexit-irish-border-fail-to-acknowledge-complex-realities/. In the same poll, 81% of respondents voted in favour of reducing economic relations with the UK if they were forced to do so, while 19% were in favour of haircuting relations with the EU in favour of the UK to keep the border open.  The longer the transition period, the more precisely both sides will have to determine how the Irish border will work (see Brexit: What will happen next? for more information on the transition). The completion of the European internal market in 1992 (initiated by Commissioner Lord Cockfield) and the Good Friday Agreement (negotiated by US Senator Mitchell) in 1998 were deemed possible to dismantle the border infrastructure that was previously important between Northern Ireland and the Republic of Ireland.  However, if they have declared themselves until the end of the transitional period, on the 31st Part of this new legislative proposal could apply on 1 December 2020, without reaching an agreement and that there is no free trade agreement. .