How is Ethnicity Important in terms of Voting Behaviour?

-2015 saw Conservatives get a 11 Point Lead over Labour in White Voters, and it Increased to 19 in 2019 Election -Labour gets Solid Support from BME Voters - always getting consistently above 60% since 2010 while Cons do Awful -Minorities favour the Labour Party, due to their Anti-Immigration Sentiment from the Conservatives [Norman Tebbit] as well as how the Concentration of Immigration Centres in Urban, Industrial Places like London, Manchester and other places