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In page Scottish National Party:

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Nineteen seventy-four was to prove something of an annus mirabilis for the party, as it deployed its highly effective It's Scotland's oil campaign.[2] The SNP gained six seats at the February general election before hitting a high point in the October re-run, polling almost a third of all votes in Scotland and returning 11 MPs to Westminster. Furthermore, during that year's local elections the party claimed overall control of Cumbernauld and Kilsyth.[citation needed]