Peter Powell - Pool/Getty Images The Conservatives believe they are in course for a historic victory thanks to growing support in the North West of England. Business Insider spoke to candidates and voters in the key election battleground of Cumbria. Polls suggest they are both set to elect Conservative MPs at the December 12 election. The Labour Party is fighting to keep hold of Workington and Barrow & Furness. Brexit, the nuclear industry, and declining economies dominate doorstep conversation. Visit Business Insider's homepage for more stories.