Complex sentence: In 1971 the "Railliement" and the English Canadian "Social Credit" reunited into a single national party with Caouette as leader but the party continued its decline electing 11 MPs in 1974, one short of the 12 needed for official party status.
Split into simpler sentences: In 1971 the "Railliement" and the English Canadian "Social Credit" reunited into a single national party with Caouette as leader but the party continued its decline. In 1974, only 11 Socreds were returned to Parliament, one short of the 12 needed for official party status.