A greater unification of political parties started in the mid-nineties - it became clear that the small parties were unable to talk to the electorate, and this fostered the grouping of the parties who were closer to them.
1990. aastate keskel algas erakondade suurem ühinemine — sai selgeks, et väikesed erakonnad ei suuda valimistel kaasa rääkida ning see soodustas lähedalseisvate erakondade grupeerumist.