Brexit referendum

Britain's Prime Minister Boris Johnson prepares a pie at the Red Olive catering company while on the campaign trail, in Derby, England, Wednesday, Dec. 11, 2019 Britain goes to the polls on Dec. 12. (Ben Stansall/Pool Photo via AP)

French President Emmanuel Macron listens to European Council President Charles Michel prior to their meeting at the Elysee Palace, in Paris, Tuesday, Dec. 10, 2019. The two men discussed Europe's plans for Brexit, European efforts against climate change and this week's European Union summit in Brussels. (AP Photo/Francois Mori)

Britain's Prime Minister Boris Johnson talks during a question and answer session, part of a General Election campaign visit to Ferguson's Transport in Washington, England, Monday, Dec. 9, 2019. Britain goes to the polls on Dec. 12. (Ben Stansall/Pool Photo via AP)

FILE - In this Saturday, Dec. 7, 2019 file photo Labour Party leader Jeremy Corbyn has his beard trimmed in Big Mel's Barbershop, Carmarthen, while on the General Election campaign trail in Wales. (Victoria Jones/PA via AP, File)

A currency trader watches computer monitors near the screens showing the Korea Composite Stock Price Index (KOSPI), right, and the foreign exchange rate between U.S. dollar and South Korean won at the foreign exchange dealing room in Seoul, South Korea, Tuesday, Dec. 10, 2019. Asian stock markets have fallen as investors look ahead to interest rate decisions by U.S. and European central bankers and possible American tariff hike on Chinese imports. (AP Photo/Lee Jin-man)

Labour Leader Jeremy Corbyn interacts with three years old Noa Williams Roberts after addressing a members' rally at Bangor University, while on the General Election campaign trail in Bangor, Wales, Sunday, Dec. 8, 2019. Britain goes to the polls on Dec. 12. (Ben Birchall/PA via AP)

FILE - In this May 26, 1945 file photo, Britain's Prime Minister Winston Churchill and his wife Clementine tour Churchill's constituency of Woodford, in Essex, England, as part of the Conservative's General Election campaign. Britain is facing the most testing and significant, some would say tortuous, period in its modern history since World War II. The polarized electorate now has a critical choice to make _but it seems unlikely the result, whatever it may be, will heal deep and toxic divisions that could last a generation or more. (AP Photo/Eddie Worth, File)

Opposition Labour Party leader Jeremy Corbyn, left, and Britain's Prime Minister Boris Johnson, during a head to head live Election Debate at the BBC TV studios in Maidstone, England, Friday Dec. 6, 2019. Britain's Brexit is one of the main issues for political parties and for voters, as the UK prepares for a General Election on Dec. 12. The debate is moderated by TV presenter Nick Robinson, right. ( Jeff Overs/BBC via AP)

Britain's Prime Minister Boris Johnson tries to operate a sewing machine decorated for Christmas, during an election campaign stop at John Smedley Mill in Matlock, England, Thursday Dec. 5, 2019. The UK goes to the polls in a General Election on Dec. 12. (Hannah McKay/Pool via AP)