In the 1968 regional election UV won only 16.7% of the vote (RV 5.4%), while in 1973, after the split of the social-democratic faction, the Progressive Valdostan Union (UPV), UV stopped at 11.5%, damaged both by the result of UPV (6.7%) and RV (1.6%), as well as by the success of the Popular Democrats (22.4%), born by the split from DC of the internal left.
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