A combination of pictures created in London on November 1, 2019 shows Britain's Prime Minister and Conservative Party leader Boris Johnson (C), Britain's main opposition Labour Party leader Jeremy Corbyn (R) and Liberal Democrats leader Jo Swinson giving speeches at their respective party conferences. - Britain will go to the polls on December 12, 2019 to vote in a pre-Christmas general election. (Photo by AFP) (Photo by BEN STANSALL,DANIEL LEAL-OLIVAS,TOLGA AKMEN/AFP via Getty Images)