During this time, the discovery of oil in the North Sea and the following "It's Scotland's oil" campaign of the Scottish National Party (SNP) resulted in rising support for Scottish independence, as well as the SNP.
Nese tempo o descubrimento de pozos petrolíferos no Mar do Norte e a conseguinte campaña publicitaria do Partido Nacional Escocés (SNP) co slogan É petróleo escocés, fixeron medraron aínda máis os apoios tanto a prol da independencia como a prol do SNP.