 Boris Johnson and cabinet minister Michael Gove becoming leading figures in the Leave Campaign is a factor considered to have given the pro-Brexit side a wider appeal and greater credibility.Johnson is believed to have been heavily influential during the campaign, with polling results revealing that the public trusted the words of Boris Johnson on Brexit more than any other politician, including David Cameron.In regard to the Labour Party, there was some perceived ambiguity as to the party's stance with only 52% of voters believing Labour MPs were in favour of Remain, according to polling.