What were the Valene Issues that Influenced the 2019 Election?

-Party Unity: Removing the Whips from Cons MPs that voted to Block a No Deal Brexit, Boris had his General Election with Candidates that were with Boris's Approach to Leave the EU -Economic Competence: Polls showed that Labour wasn't Trusted with the Economy - Its Manifesto didn't help -Leaders: Corbyn's Antisemitism really didn't help him at all