 
 <prompt> For di American Civil War, di two sides wey face each other na di Confederacy and di Union. <response>: Furthermore, for di case of far-right, far-left and regionalism parties for di national parliaments of plenti of di European Union, mainstream political parties fit form informal cordon sanitarian wey go apply policy of non-cooperation towards those "Outsider Parties" wey dey for di legislature wey dem see as 'anti-system' or otherwise unacceptable for government. Cordon Sanitarian, however, don dey abandoned more and more for di past two decades for multi-party democracies as di pressure to build broad coalitions to win elections – along with di increased willingness of outsider parties demselves to participate for government – don make many of such parties enter electoral and government coalitions. 